MS35769-31 GASKET

Part# AN900-20
MFR Model# MS35769-31
Part No.MS35769ID


AN900 (MS35769) annular copper-asbestos gaskets (crush washers) are suitable for temperatures up to 500 F. and pressures up to 200 PSI. Ring width is 1/8"; thickness is 3/32.
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Work very nicely.

Jay D Verified Purchase

MS35769-31 GASKET

March 2, 2024

Goes between the sump and the big plug bolt with the strainer

Andrew R Verified Purchase

MS35769-31 GASKET

February 8, 2024

Product meets specs and works as expected.

Chad H Verified Purchase

MS35769-31 GASKET

December 20, 2023

oil seal

Paul B Verified Purchase

MS35769-31 GASKET

November 18, 2023

Yet to fit the new crush washer seal. Working top end and then will drain the oil for this replacement and new plug.

Bruce G Verified Purchase

MS35769-31 GASKET

August 18, 2023

Fit my XS650 oil drain plugs perfectly!

Issac R Verified Purchase

MS35769-31 GASKET

January 23, 2023

Montana A Verified Purchase

MS35769-31 GASKET

August 18, 2022

Fast service, good items. Five Stars!

Carlos D Verified Purchase

MS35769-31 GASKET

August 16, 2022


Hamard Verified Purchase

MS35769-31 GASKET

June 21, 2022

Sait P Verified Purchase

MS35769-31 GASKET

April 8, 2022


Please note, Aircraft Spruce'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 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: How is the diameter of crush washers determined?

The ID listed in the chart is the inside diameter.

Q: I am looking for a ROTAX 250-010 GASKET RING C 12X18 but you have AN900 (MS35769) COPPER GASKETS - CRUSH WASHERS - I cant tell what size to get.

The Rotax gasket must be ordered from Use Part # 15-08260 to locate it on their website.

Q: which size is used for the rotax 912uls oil drain plug?

The drain plug size is m12x1.5, part number 15-09891(241-785). The closest crush gasket we would have is AN900-8 (1/2".)

Q: Is there a torque value for the AN900 washers?

Up to 200 lbs square inch.

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