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457-1577 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

457-1577: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, cross-sectional_height: 0.118 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-235-7584, 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
457-1577
NSN: 5331-01-235-7584
FSC: 5331 — O-ring
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
cross-sectional_height0.118 INCHES NOMINAL IN
NSN5331-01-235-7584
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 457-1577 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
•
CROSS-SECTIONAL HEIGHT: 0.118 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.118 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 4
2152 2125-436Reference document
Same NSN cross-reference
Reference document — Secondary reference
2152 2125-436 TAKR 287Reference document
Same NSN cross-reference
Reference document — Secondary reference
21522115-436Reference document
Same NSN cross-reference
Reference document — Secondary reference
90772-991Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 457-1577?
457-1577 is a O-RING.
What parts can replace 457-1577?
There are 4 known substitutes for 457-1577: 2152 2125-436, 2152 2125-436 TAKR 287, 21522115-436 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 457-1577?
457-1577 is cataloged in the U.S. Government catalog under NSN 5331-01-235-7584. This indicates validated use in U.S. government and defense supply chains.
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