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Technical Data Sheet
PartsTable / O-RING / 52-10249
52-10249 ✓ 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 GUARD,MECHANICAL DRIVE is a the manufacturer industrial component. Key specifications include material: STEEL, overall_height: 6.562 INCHES NOMINAL IN, mounting_method: BRACKET(S), end_item_identification: WINCH; SUPPLY CLASS AOE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-810-9659, 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
52-10249
NSN: 5331-00-810-9659
FSC: 5331 — O-RING
CAGE: 96124 — TRANSDIGM INC DIV AERO FLUID PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL
overall_height6.562 INCHES NOMINAL IN
mounting_methodBRACKET(S)
end_item_identificationWINCH; SUPPLY CLASS AOE
NSN5331-00-810-9659
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 52-10249 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
BK107Interchangeable
interchangeable cross-reference
interchangeable
54-67-6908Interchangeable
interchangeable cross-reference
interchangeable
AMS7276Interchangeable
interchangeable cross-reference
interchangeable
R149P908JInterchangeable
interchangeable cross-reference
interchangeable
3-908 77-545Interchangeable
interchangeable cross-reference
interchangeable
3-908 V747-75Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 52-10249?
52-10249 is a GUARD,MECHANICAL DRIVE.
What parts can replace 52-10249?
There are 22 known substitutes for 52-10249: BK107, 54-67-6908, AMS7276 and 19 more. Substitute compatibility should be verified for your specific system.
Is 52-10249 still available?
52-10249 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