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Technical Data Sheet
PartsTable / COMPONENT / 31169-1970
31169-1970 ✓ 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

CAP,PROTECTIVE,DUST AND MOISTURE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-620-4901, 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
31169-1970
NSN: 5340-00-620-4901
FSC: 5340
CAGE: 31435 — LUCAS AEROSPACE POWER EQUIPMENT CORPORATION (USA)
SPECIFICATIONS
Part Number31169-1970
NSN5340-00-620-4901
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 31169-1970 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 9
1290933Upgraded Successor
successor cross-reference
successor
DC10Upgraded Successor
successor cross-reference
successor
RB11261Upgraded Successor
successor cross-reference
successor
DC8Interchangeable
interchangeable cross-reference
interchangeable
DC-2000-C#1Interchangeable
interchangeable cross-reference
interchangeable
00781568135853Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31169-1970?
31169-1970 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 31169-1970?
There are 9 known substitutes for 31169-1970: 1290933, DC10, RB11261 and 6 more. Substitute compatibility should be verified for your specific system.
Is 31169-1970 still available?
31169-1970 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