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00031178 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

00031178: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC HEXAFLOROPROPYLENE, special_features: MATL IS ALSO MADE OF COPOLYMER OF VINYLIDENE FLUORIDE, end_item_identification: PUMP, SCREW P/N SNFDA940ER54U4-W75 ONBOARD 420 FT WAGB COAST GUARD VESSELS FT. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-476-2873, 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
00031178
NSN: 5331-01-476-2873
FSC: 5331 — O-ring
CAGE: 01FU0 — ALLWEILER MARINE INC (USA)
SPECIFICATIONS
materialPLASTIC HEXAFLOROPROPYLENE
special_featuresMATL IS ALSO MADE OF COPOLYMER OF VINYLIDENE FLUORIDE
end_item_identificationPUMP, SCREW P/N SNFDA940ER54U4-W75 ONBOARD 420 FT WAGB COAST GUARD VESSELS FT
NSN5331-01-476-2873
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 00031178 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
KEY FEATURES
•
MATERIAL: PLASTIC HEXAFLOROPROPYLENE
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMATL IS ALSO MADE OF COPOLYMER OF VINYLIDENE FLUORIDE
END ITEM IDENTIFICATIONPUMP, SCREW P/N SNFDA940ER54U4-W75 ONBOARD 420 FT WAGB COAST GUARD VESSELS FT
MATERIALPLASTIC HEXAFLOROPROPYLENE
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 00031178?
00031178 is a O-RING.
What is the NSN for 00031178?
00031178 is cataloged in the U.S. Government catalog under NSN 5331-01-476-2873. 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.