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4357457 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4357457: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC FLUOROCARBON, temp_rating: -55.0 CELSIUS AND -400.0 CELSIUS DEGC, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 0.755 INCHES NOMINAL IN, cross-sectional_height: 0.097 INCHES NOMINAL IN, end_item_identification: NIIN: 016525208. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-673-6133, 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
4357457
NSN: 5331-01-673-6133
FSC: 5331 — O-ring
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialPLASTIC FLUOROCARBON
temp_rating-55.0 CELSIUS AND -400.0 CELSIUS DEGC
hardness_rating75.0 SHORE DUROMETER A NOMINAL
center_hole_diameter0.755 INCHES NOMINAL IN
cross-sectional_height0.097 INCHES NOMINAL IN
end_item_identificationNIIN: 016525208
NSN5331-01-673-6133
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4357457 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
•
TEMP RATING: -55.0 CELSIUS AND -400.0 CELSIUS DEGC
•
CROSS-SECTIONAL HEIGHT: 0.097 INCHES NOMINAL IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
COLOR: BLACK
•
CENTER HOLE DIAMETER: 0.755 INCHES NOMINAL IN
•
MATERIAL: PLASTIC FLUOROCARBON
TECHNICAL CHARACTERISTICS
TEMP RATING-55.0 CELSIUS AND -400.0 CELSIUS DEGC
CROSS-SECTIONAL HEIGHT0.097 INCHES NOMINAL IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
COLORBLACK
CENTER HOLE DIAMETER0.755 INCHES NOMINAL IN
END ITEM IDENTIFICATIONNIIN: 016525208
MATERIALPLASTIC FLUOROCARBON
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4357457?
4357457 is a O-RING.
What is the NSN for 4357457?
4357457 is cataloged in the U.S. Government catalog under NSN 5331-01-673-6133. 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.