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Home / Avionics / Intercoms / Accessories /Insulated Washers For Panel Jacks
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Insulated Washers For Panel Jacks

35 Reviews 3 Answered Questions
From $0.42 to $0.90
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Description Part Number Price Buy
Insulated Flat Washer (SWC S1028) Tan
04-00975
$0.42
Quantity
Insulated Shoulder Washer (SWC S1029) Black
04-00976
$0.90
Quantity
Subtotal $0.00
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Overview

Insulated Flat Washers
Insulated flat washer for headset. microphone jacks. P/N 04-00975 1/32" x 5/8" OD x 3/8" ID

Insulated Shoulder Washers
Insulated shoulder washer for headset/ microphone jacks. P/N 04-00976 .032/.032 x 5/8" OD x .387 ID x .437 ID/step
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Reviews

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Perfect for replacement in old tube amps.

Patrice B Verified Purchase

SWITCHCRAFT INSULATED FLAT WASHER S1028
July 21, 2022

Perfect for replacement in old tube amps.

Patrice B Verified Purchase

SWITCHCRAFT INSULATED SHOULDER WASHER S1029
July 21, 2022

Michael T Verified Purchase

SWITCHCRAFT INSULATED FLAT WASHER S1028
July 9, 2022

Michael T Verified Purchase

SWITCHCRAFT INSULATED SHOULDER WASHER S1029
July 9, 2022

Randy G Verified Purchase

SWITCHCRAFT INSULATED FLAT WASHER S1028
March 31, 2022

High quality jacks. Well made. High quality materials and workmanship. It could be part of the jacks where it supposed to be used. Oh well, greedy has to fit somewhere...

Lewis M Verified Purchase

SWITCHCRAFT INSULATED SHOULDER WASHER S1029
March 23, 2022

High quality jacks. Well made. High quality materials and workmanship. It could be part of the jacks where it supposed to be used. Oh well, greedy has to fit somewhere...

Lewis M Verified Purchase

SWITCHCRAFT INSULATED FLAT WASHER S1028
March 23, 2022

Tom N Verified Purchase

SWITCHCRAFT INSULATED FLAT WASHER S1028
March 23, 2022

Tom N Verified Purchase

SWITCHCRAFT INSULATED SHOULDER WASHER S1029
March 23, 2022

These work as expected. I get zero noise in my headsets with the jacks isolated. Took me a bit to figure out that you need a 7/16 hole for the shoulder to fit through the hole. At first I tried 27/64 drill bit, but that was too small. Next step was 7/16.

Scott R Verified Purchase

SWITCHCRAFT INSULATED SHOULDER WASHER S1029
December 21, 2021

Q&A

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Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: I am looking for both shouldered and flat washers (non-conductive) for use with standard 1/4 panel mount stereo headphone jack. Will these washers work?

Yes, you will use the shoulder washer (04-00976) behind the panel with the ridge facing towards the front of the panel. The flat washer (04-00975) goes in the front of the panel. No part of the jack should touch the panel.

Q: Are the insulated washers used on both the mic jack and the headphone jack, or the mic only?

Both the mic and headphone jacks should have insulating washers on both sides of the panel.

Q: What size hole do these jack washers fit?

The dims are 1/32" x 5/8" OD x 3/8" ID.

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