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Technical Data Sheet
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512321 — LINING,FRICTION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

512321: LINING,FRICTION.

The LINING,FRICTION is a the manufacturer industrial component. Key specifications include end_item_identification: CLUTCH,DUAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-095-3179, 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
512321
NSN: 5330-01-095-3179
NIINs: 010953179, 015145127, 015995969
FSC: 5330 — Packing and Gasket Materials
CAGE: 24785 — VICKERS INC (USA)
SPECIFICATIONS
end_item_identificationCLUTCH,DUAL
NSN5330-01-095-3179
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 512321 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
SUBSTITUTES & CROSS-REFERENCES 2
P-02-267-827Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
50-81322-02Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 512321?
512321 is a LINING,FRICTION.
What parts can replace 512321?
There are 2 known substitutes for 512321: P-02-267-827, 50-81322-02. Substitute compatibility should be verified for your specific system.
What is the NSN for 512321?
512321 is cataloged in the U.S. Government catalog under NSN 5330-01-095-3179. This indicates validated use in U.S. government and defense supply chains.
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