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Technical Data Sheet
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318451 — SCREW,MACHINE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

318451: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include specification/standard_data: 71762-3184-51 MANUFACTURERS STANDARD. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-341-9443, 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
318451
NSN: 5330-00-341-9443
NIINs: 003419443, 013525391
FSC: 5330 — Packing and Gasket Materials
CAGE: 21119 — EVINRUDE MOTORS PRODUCT GROUP OF OUTBOARD MARINE CORP (USA)
SPECIFICATIONS
specification/standard_data71762-3184-51 MANUFACTURERS STANDARD
NSN5330-00-341-9443
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 318451 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
322575Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
339620Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 318451?
318451 is a SCREW,MACHINE.
What parts can replace 318451?
There are 2 known substitutes for 318451: 322575, 339620. Substitute compatibility should be verified for your specific system.
What is the NSN for 318451?
318451 is cataloged in the U.S. Government catalog under NSN 5330-00-341-9443. This indicates validated use in U.S. government and defense supply chains.
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