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D0551424 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

D0551424: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-031-8212, 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
D0551424
NSN: 5331-01-031-8212
FSC: 5331 — O-ring
CAGE: A0461 — CALZONI SRL (ITA)
SPECIFICATIONS
Part NumberD0551424
NSN5331-01-031-8212
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D0551424 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 7
2-273N219-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
2507294-62Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2507294Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
25K40924Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-273 N0674-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
52068HPC7Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D0551424?
D0551424 is a O-RING.
What parts can replace D0551424?
There are 7 known substitutes for D0551424: 2-273N219-7, 2507294-62, 2507294 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D0551424?
D0551424 is cataloged in the U.S. Government catalog under NSN 5331-01-031-8212. 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.