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Technical Data Sheet
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82451A — SEAL,INSULATOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

82451A: SEAL,INSULATOR.

The SEAL,INSULATOR is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-179-1083, 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
82451A
NSN: 5330-01-179-1083
FSC: 5330 — Packing and Gasket Materials
CAGE: 44MG9 — WEBASTO THERMO & COMFORT NORTH AMERICA, INC. DIV WEBASTO PRODUCT NORTH AMERICA, INC (USA)
SPECIFICATIONS
Part Number82451A
NSN5330-01-179-1083
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 82451A 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 1
151.769Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 82451A?
82451A is a SEAL,INSULATOR.
What parts can replace 82451A?
There is 1 known substitute for 82451A: 151.769. Substitute compatibility should be verified for your specific system.
What is the NSN for 82451A?
82451A is cataloged in the U.S. Government catalog under NSN 5330-01-179-1083. This indicates validated use in U.S. government and defense supply chains.
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