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Knob shaft diameters:
Full sized pots typically have 1/4 (0.250)" shafts and 3/8" bushings, these are RV4, and larger ModPot styles.
They may also have 1/8" concentric shafts.
Miniature pots typically have 1/8 (0.125)" shafts and 1/4" bushings, these are RV6, some Modpots and many miniature Clarostat
and AB type W and G pots. These may also have a concentric shaft, typically 0.078" in diameter.
Hard to find Tektronix Shaft-Couplers
Tektronix Knobs
Full sized pots typically have 1/4 (0.250)" shafts and 3/8" bushings, these are RV4, and larger ModPot styles.
They may also have 1/8" concentric shafts.
Miniature pots typically have 1/8 (0.125)" shafts and 1/4" bushings, these are RV6, some Modpots and many miniature Clarostat
and AB type W and G pots. These may also have a concentric shaft, typically 0.078" in diameter.
Hard to find Tektronix Shaft-Couplers
| Picture | Tek P/N | Description/Model | Qty. | New Used |
Price Each |
 |
376-0051-00 Flexible Shaft Coupler |
Popular 1/8 inch flexible shaft coupler used in many Tek control designs. This allows mechanical mis-alignment to be absorbed by the flexible coupler, plus very secure shaft attachment with 4 setscrews. These are all used, good condition parts with all setscrews, a hard part to source! | SORRY, SOLD | Used | $8.00 ea. |
Tektronix Knobs
| Tektronix Skirted Vertical Attenuator Knobs GROUP A 1  234 CLICK for bigger PIC! GROUP B 1 23 CLICK for bigger PIC! GROUP C 1
 CLICK for bigger PIC! |
GROUP E 1 23 CLICK for bigger PIC! Tektronix Skirted Vertical Attenuator Knobs After the dreaded 311-1192-00 trigger pot which always gets broken, the most requested Tek spare part is one of the skirted Vertical knobs. This is usually due to breakage or loss of the printing on the skirt. I have had a pile of these accumulating for some time, both as pulls and as brand new factory parts, but with no parts ID on them. Plus I have some that were fully marked but I never posted on-line, I was amazed to discover several bags of these filed neatly but never posted. sigh. If you can match them to your scope, ta-da, happiness all around. The quantity of each is marked in parentheses (quantity), which can be more than shown in the photos. Where I have known good data, it is shown. These are from 400-series, 22xx-series, 5A plug-ins, and SC50x series units. To order specify group and item, so A3, C1, etc. All are the same price, $14 Ea. Group A 1- 5mV-gap-50V (2) -465B- SORRY, SOLD 2- 5mV-gap-5V (3) 3- 1mV-gap-50V (2) -5A PLug in- 4- 5mv-500V (4) -SORRY, SOLD Group B 1- 5mV-gap-20V (2) -2205- 2- 1mV-100V (6) 3- 2mV-gap-50V (5) Group C 1- 1mV-gap-.2KV (2) Group E 1- 2mV-gap-50V (2) 366-1425-00 -475- SORRY, SOLD 2- 5mV-gap-100V (4) 366-1425-02 -475A- 3- 2mV-gap-100V (9) 366-1838-01 -2213/2215-   CLICK HERE to E-Mail us an order!$14 Ea. |
As listed $14 Ea. |
| Picture | Tek P/N | Description/Model | Qty. | New Used |
Price Each |
 |
331-0360-00 400 Series |
 Satin finish 5 turn-truns-counting dial (Kilo Engineering 771S5), new in factory bags. Very hard to find. |
1 | New | $22.00 ea. |
 |
366- Our ID: Gray 1 |
Small pointer knob, light gray color, black line, fits 1/8" shaft, .52" knob diameter. For later generation systems, not 400/2000/7000 scope products, very attractive. Have setscrews. | 170 pcs. | New | $3.00 ea. |
 |
366- Our ID: Red VAR 1 |
Small fine adjustment knob, red color, white VAR front legend, fits 0.078" shaft, 0.4" knob diameter. Typically for horizontal fine adjustment. We can also drill out this knob for other diameters, like 1/8" on request, add $1 per knob. Have setscrews. | 35 pcs. | New | $3.00 ea. |
 |
366- Our ID: Red VAR 2 |
Small fine adjustment knob, red color with pull ridge, fits 0.078" shaft, 0.4" knob diameter, 0.45" diameter pull ring. For horizontal fine adjustment (pull for mag, etc.). We can also drill out this knob for other diameters, like 1/8" on request, add $1 per knob. NO Setscrews. | 170 pcs. | New | $3.00 ea. |
 |
366- Our ID: Red VAR 5 |
Small fluted adjustment knob, red color, black cap and sides with screwdriver recess, fits 1/8" shaft, 3/8" knob diameter, 3/8" tall, Used in some 7A series vertical plug ins, as the variable v/div push-on-off adjustment knob (screwdriver recess is for preset adjustment function when pressed in further). Very hard to find. Have Setscrews. | 3 pcs. | Used | $8.00 ea. |
 |
366- Our ID: Red VAR 6 |
Small fluted adjustment knob, red color, black cap and sides with smooth top, fits 1/8" shaft, 3/8" knob diameter, 3/8" tall, Used in some 7A series vertical plug ins, as the variable v/div push-on-off adjustment knob. Very hard to find. Have Setscrews. | 12 pcs. | Used | $6.00 ea. |
 |
366- Our ID: Red VAR 7 |
Small skirted adjustment knob, red color, CAL and arrow on cap in white, fits 1/8" shaft, 0.5" knob diameter (at skirt), 9/16" tall. Used in variable adjustment locations. Hard to find. Have Setscrews. | 10 pcs. | Used | $8.00 ea. |
 |
366- Our ID: Gray VAR 1 |
Small skirted adjustment knob, light gray color, dark gray cap, black line/dot, fits 1/8" shaft, 0.5" knob diameter (at skirt), 9/16" tall. Used in many locations. Hard to find. Have Setscrews. | SORRY, SOLD | New | $8.00 ea. |
 |
366-0125-00 400 Series |
Satin finish knurled aluminum anodized knob, used for early series plug-in locks. Very nice item, but hard to locate, new in factory bags. | 4 | New | $8.00 ea. |
 |
366-0215-02 400 Series |
Small Gray Lever knob, widely used in earlier Tek portable products, very hard to find. New in factory bags and loose, improved late production version. Also works on HP levers. We have been searching for these for years, and just finally got some. | SORRY, SOLD | New | $4.00 ea. |
|
366-0215-02 400 Series |
Small Gray Lever knob, widely used in earlier Tek portable products, very hard to find. Good condition used knobs. | 2 | USED | $3.00 ea. |
 |
366-0636-00 2200 Series |
2200 series Variable knob, gray color, has snap in shaft, very hard to find. | SORRY, SOLD | New | $8.00 ea. |
 |
105-0678-01 | Input AC/DC/GND selector knob, shaft assembly. Factory new parts. | 12 pcs. | New | $9.00 ea. |
 |
366-0809-00 TDS Series |
TDS series small Variable knob (has 0.162 inch bottom shoulder), 0.43 inch diameter, 4 flute style, press on. | 500 | New | $4.00 ea. |
 |
366-0817-00 TDS Series |
TDS series medium selector knob (has 0.060 inch bottom shoulder), 0.649 inch diameter, 6 flute style, press on. Hard plastic. | 100 | New | $5.00 ea. |
 |
366-0820-00 TDS Series |
TDS series small Variable knob, 0.43 inch diameter, 4 flute style, press on. | SORRY, SOLD | New | $4.00 ea. |
  |
366-0821-00 TDS Series |
TDS series small variable knob (has 0.165 inch bottom shoulder), 0.43 inch diameter, 4 flute style, press on. | SORRY, SOLD | New | $4.00 ea. |
 |
366-0851-00 TDS Series |
TDS/TLA/DPO/DSA series small variable/selector knob -soft feel- style, 0.47 inch diameter, 6 flute style, press on. (1/4 in. d-shaft) | 200 | New | $4.00 ea. |
 |
366-0855-00 TDS Series |
TDS/TLA/DPO/DSA series large variable/selector knob -soft feel- style, 0.92 / 15/16 inch diameter, 14 flute style, press on. (1/4 in. d-shaft) | 200 | New | $6.00 ea. |
 |
366- TDS Series |
TDS series Selector knob, 0.92 / 15/16 inch diameter, 14 flute style, press on (1/4 in. D-shaft). Like -0855, but hard gray plastic. | 20 pcs. | New | $6.00 ea. |
 |
366- TDS Series |
TDS series large Selector/Tuning knob, 1 5/8 inch diameter, press on. | 3 pcs. | New | $10.00 ea. |
 |
366-1031-02 465 |
Variable knob (red, setscrew), vertical. | SORRY, SOLD | New | $4.00 ea. |
 
|
366-1031-03 465, 475, SC50X, others |
FINALLY BACK IN STOCK, the very popular 1031-03 knob! Variable knob (red, setscrew), vertical with cal position marker. This is the last revision of the knob, and has all the trim markings. Early ones say only VAR, but don't indicate how to set the control for the calibrated position. These get broken off all the time in shipping on the end of the vertical attenuator, we finally got more NEW stock. |
65 | New | $6.00 ea. |
 |
366-1219-02 | Sweep selector outer knob housing. New parts, bulk packed. DEL'D SWEEP (PULL) LOCK KNOBS FOR A |
2 | New | $8.00 ea. |
 |
366- Our ID: SWEEP1 |
Sweep selector complete knob assembly, with pins and center core, 0.13 in dia. shaft, 0.90 in widest diameter. New parts, bulk packed. DEL'D SWEEP (PULL) LOCK KNOBS FOR A |
15 | New | $15.00 ea. |
 |
366- Our ID: SWEEP2 |
Sweep selector complete knob assembly, with pins and center core, 0.13 in dia. shaft, 0.90 in widest diameter. New parts, bulk packed. DEL'D SWEEP PULL |
3 | New | $15.00 ea. |
 |
366- Our ID: SWEEP3 |
Sweep selector complete knob assembly, with pins and center core, smaller size, 0.20 dia. shaft, 0.87 in widest diameter. New parts, bulk packed. DEL'D SWEEP PULL |
3 | New | $15.00 ea. |
 |
366- Our ID: SWEEP4 |
Sweep selector complete knob assembly, with rear partiual relief, smaller size, 0.128 dia. shaft, 0.66 in widest diameter. New parts, bulk packed. A SWEEP |
2 | New | $15.00 ea. |
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| Picture | Tek P/N | Description/Model | Qty. | New Used |
Price Each |
 |
366-1257-23 5BXX/4XX |
LINE light gray pushbutton, used in 5B series plug ins, and 4XX series sweep sections. | 10 | New | $3.00 ea. |
 |
366-1257-27 5XXX/4XX |
AC COUPLING light gray pushbutton, used in 5A/5B series plug ins, and 4XX series sweep sections. | 10 | New | $3.00 ea. |
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366-1257-84 5XXX/4XX |
ERASE light gray pushbutton, used in Tek storage scopes | 5 | New | $3.00 ea. |
 |
366-1257-XX 5XXX/4XX |
Channel Buttons light gray pushbutton, used in Tek 5A/5B series plug ins, and 4XX series scopes. CH1/Dual and CH2/Trace are SOLD. | as shown | Used | any knob $2.00 ea. |
 |
366-1257-XX 5XXX/4XX |
Coupling Buttons light gray pushbutton, used in Tek 5A/5B series plug ins, and 4XX series scopes. | as shown | Used | any knob $2.00 ea. |
 |
366-1257-XX 5XXX/4XX |
Misc. Buttons light and dark gray pushbutton, used in Tek 5A/5B series plug ins, and 4XX series scopes. ADD buttons are SOLD. | as shown | Used | any knob $2.00 ea. |
 |
366-1257-XX 5XXX/4XX |
Sweep Buttons light gray pushbutton, used in Tek 5A/5B series plug ins, and 4XX series scopes. | as shown | Used | any knob $2.00 ea. |
 |
366-1257-XX 5XXX/4XX |
Trigger Buttons light gray pushbutton, used in Tek 5A/5B series plug ins, and 4XX series scopes. | as shown | Used | any knob $2.00 ea. |
 |
366-1257-XX 5XXX/4XX |
Trigger (2) Buttons light gray pushbutton, used in Tek 5A/5B series plug ins, and 4XX series scopes. | as shown | Used | any knob $2.00 ea. |
 |
366-1281-02 | Sweep Selector knob, 0.250 in dia. hole, 1.12 in dia. clear printed skirt, marked .2u(s) to .5(s), CLOSE UP HERE. | 8 | New | $15.00 ea. |
 |
366-1294-00 5BXX |
Illuminated skirt Horizontal knob for 5B series plug ins, goes .1u to .5V, for plug ins with fast timebase and signal input capability. | SORRY, SOLD | New | $10.00 ea. |
 |
366-1295-00 5BXX |
Illuminated skirt Horizontal knob for 5B series plug ins, goes 50u to 50, for plug ins with slow timebase. | 3 | New | $10.00 ea. |
 |
366-1299-00 7AXX |
Mode/range knob, 0.190 in dia. hole, 0.700 in dia. round, fits many 7Axx series scope plug ins as the vertical range selector. | SORRY, SOLD | New | $10.00 ea. |
 |
366- |
Large Mode/range knob, 1 inch diameter (at flutes), with through hole. Fits many selector positions. | 5 | New | $12.00 ea. |
 |
366-1391-00 | Miniature gray knob (used on concentric pots), approx. 0.3 in diameter, 0.078/0.08 in shaft. Has white line, fluted sides. New, bulk packed. | SORRY, SOLD | New | $8.00 ea. |
| 366-1391-01 | Miniature gray knob (used on concentric pots), approx. 0.3 in diameter, 0.078/0.08 in shaft. Has white dot on face, fluted sides. New, bulk packed. | 2 | New | $8.00 ea. | |
 |
366-1402-18 5XXX/4XX |
STORE light gray pushbutton switch, used in Tek storage scopes | 1 | New | $5.00 ea. |
 CLICK for bigger PIC! |
366-1426-00 465 |
Vertical knob (gray, setscrew) with range skirt. Range 5mV to 50V on skirt, gap in skirt. New factory bagged parts. These have been wickedly hard for us to source. |
SORRY, SOLD | New | $29.00 ea. |
 |
366-1646-01 | Vertical knob (gray with shaft extension) with clear range skirt. Range 2mV to 100V on skirt, gap in skirt. New factory bagged parts. |
SORRY, SOLD | New | $29.00 ea. |
 |
366-1691-00 | Rectangular gray extension pushbutton. 1.2 in over-all length, 0.096x0.20 end, fits standard Tek pushbuttons. | 80 | New | $4.00 ea. |
 CLICK for bigger PIC! CLICK for another view! |
366-1722-01 |
Vertical knob (gray, keyed shaft) w/shaft extension. Range 5mV to 50V on skirt, gap in skirt, 2.62 inches total over-all length. |
SORRY, SOLD | New | $29.00 ea. |
 |
366-1722-01 |
Vertical knob (gray, keyed shaft) w/shaft extension. Range 5mV to 50V on skirt, gap in skirt, 2.62 inches total over-all length. Excellent condition. |
SORRY, SOLD | Used | $22.00 ea. |
 |
366-1767-00 | Indicating (yellow) circular pushbutton knob, used on some Tek power switches, bulk factory packed. | SORRY, SOLD | New | $11.00 ea. |
 CLICK for bigger PIC! |
2205 Vertical |
Vertical knob (gray, press-on attachment) Range 5mV to 20V on skirt, gap in skirt. Very good condition. |
Just 2 | Used | $20.00 ea. |
 |
2205 Horizontal |
Horizontal knob (gray, press-on attachment) 2 lines on skirt. Very good condition. |
Just 1 | Used | $20.00 ea. |
 |
22XX Series Vertical |
Vertical knob (gray, press-on attachment) Range 5mV to 5V on skirt, gap in skirt. Brand new. |
SORRY, SOLD | New | $20.00 ea. |
 CLICK for bigger PIC! |
366-2049-03 22XX, 24XX |
Push on accessory control function knob (beige/gray, push-on), fits many 22XX and 24XX series scopes where the pots have a plastic shaft coupler. Very hard for us to source now! Works for both plain and lined knob positions. | SORRY, SOLD | New | $15.00 ea. |
 
|
366-2089-00 24XX |
Push on accessory control function knob with extension shaft 1.32 inches long (beige/gray, push-on), fits many 24XX series scopes where the pots have a keyed plastic shaft. Very hard for us to source, just arrived. These are all excellent condition pulls. Have one additional with no line on the front, do not know the real Tek number. | Last 3 | Used | $10.00 ea. |
 |
366- |
Variable knob (gray, setscrew), 0.093 in. dia hole, fits many later 2XXX series. | SORRY, SOLD | New | $4.00 ea. |
 |
2205 Cal |
Vertical/Horizontal fine adjustment knob (gray, set-screw attachment), marked CAL and arrow.. Very good condition. | Just 1 | Used | $6.00 ea. |
 |
366- |
Variable knob (red/yellow, setscrew), 0.125 in. dia hole, fits timebase control with pull for 10X function. Yellow function ring when pulled out. | 3 | New | $4.00 ea. |
 CLICK for bigger PIC! |
366- SC50X |
Timebase knob (gray, setscrew), 0.250 in. dia. hole, used on Tek SC50X series. | SORRY, SOLD | New | $10.00 ea. |
 CLICK for bigger PIC! CLICK for another VIEW! |
366-2148-01 |
Vertical knob (gray, keyed shaft) w/shaft extension. Range 2mV to 50V on skirt, no gaps. |
SORRY, SOLD | New | $20.00 ea. |
 |
384-1371-05 |
Gray knob with integral shaft, has D-mating slot for pot end, 2.40 inches over-all length. New in factory bags. | 10 | New | $12.00 ea. |
 CLICK for bigger PIC! |
384-1371-06 |
Gray knob with integral shaft, has D-mating slot for pot end, 5.54 inches over-all length. New in factory bags. | 10 | New | $12.00 ea. |
 CLICK for bigger PIC! |
465M Knob/Shafts | 465M Knobs These are the extension shaft style knobs used in the 465M. The entension shaft locks onto the pot keyed shaft, the power switch link attaches with a clip. 02ea. 4 5/16" Gray knob/shaft 15ea. 4 1/2" Gray knob/shaft 03ea. 2 1/8" Gray knob/shaft 01ea. 12 3/16" Gray knob/shaft 01ea. 11 15/16" Gray knob/shaft 03ea. 11" Power switch knob/link. |
Varies | Used | Any 465M Item $6.00 ea. |
 |
Knob Coupler |
Plastic knob coupler, fits on D shaped pot shaft, 3/16 inch diameter, coupler is 5/8 inch long. Allows snap on knobs like 366-2049-01 to fit. | SORRY, SOLD | Used | $5.00 ea. |
 |
Knob Coupler |
Plastic knob coupler, fits on D shaped pot shaft, 1/8 inch diameter, coupler is 5/8 inch long. Allows snap on knobs like 366-2049-01 to fit. | SORRY, SOLD | Used | $5.00 ea. |
 |
Knob Coupler |
Plastic knob coupler, fits on D shaped pot shaft, 3/16 inch diameter, coupler is 7/8 inch long. Allows snap on knobs like 366-2049-01 to fit. | SORRY, SOLD | Used | $5.00 ea. |
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