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2418F437 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2418F437: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. This part is cataloged in the U.S. Government catalog under NSN 5330-01-237-9037, 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
2418F437
NSN: 5330-01-237-9037
FSC: 5330 — Packing and Gasket Materials
CAGE: 13446 — PERKINS ENGINES INC (USA)
SPECIFICATIONS
Part Number2418F437
NSN5330-01-237-9037
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2418F437 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 3
4W-5359Reference document
Same NSN cross-reference
Reference document — Secondary reference
02/202591Reference document
Same NSN cross-reference
Reference document — Secondary reference
2418F436Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2418F437?
2418F437 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace 2418F437?
There are 3 known substitutes for 2418F437: 4W-5359, 02/202591, 2418F436. Substitute compatibility should be verified for your specific system.
What is the NSN for 2418F437?
2418F437 is cataloged in the U.S. Government catalog under NSN 5330-01-237-9037. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.