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Technical Data Sheet
PartsTable / COMPONENT / BM20633-1
BM20633-1 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The DAMPER,SHIMMY is a the manufacturer industrial component. Key specifications include end_item_identification: 4310-00-878-1905. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-322-0629, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
BM20633-1
NSN: 5340-00-322-0629
FSC: 5340
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
end_item_identification4310-00-878-1905
NSN5340-00-322-0629
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BM20633-1 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION4310-00-878-1905
SPECIAL FEATURESMALLEABLE IRON HOUSING,CAST IRON RING,10.860 IN.MIN,10.875 IN.MAX OD,6.031 IN.MIN,6.046 IN.MAX ID,2.078 IN.O/A LG,3.750 IN.MIN,3.752 IN.MAX INTERNAL FLANGE ID,6 HOLES 0.531 IN.MIN,0.541 IN.MAX DIA; IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
6358020633Upgraded Successor
successor cross-reference
successor
02-1917Upgraded Successor
successor cross-reference
successor
20633Upgraded Successor
successor cross-reference
successor
AN3102A22-13PInterchangeable
interchangeable cross-reference
interchangeable
MILC5015Interchangeable
interchangeable cross-reference
interchangeable
MS3102A22-13PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BM20633-1?
BM20633-1 is a DAMPER,SHIMMY.
What parts can replace BM20633-1?
There are 12 known substitutes for BM20633-1: 6358020633, 02-1917, 20633 and 9 more. Substitute compatibility should be verified for your specific system.
Is BM20633-1 still available?
BM20633-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026