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AT4081 — HOLDER,KEY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AT4081: HOLDER,KEY.

The HOLDER,KEY is a the manufacturer industrial component. Key specifications include end_item_identification: NUCLEAR POWER PLANTS, part_name_assigned_by_controlling_agency: KEY ACCESSORY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-596-5076, 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
AT4081
NSN: 5340-01-596-5076
FSC: 5340 — Hardware, Commercial
CAGE: 63426 — NKK SWITCHES OF AMERICA INC (USA)
SPECIFICATIONS
end_item_identificationNUCLEAR POWER PLANTS
part_name_assigned_by_controlling_agencyKEY ACCESSORY
NSN5340-01-596-5076
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AT4081 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYKEY ACCESSORY
END ITEM IDENTIFICATIONNUCLEAR POWER PLANTS
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
503413Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AT4081?
AT4081 is a HOLDER,KEY.
What parts can replace AT4081?
There is 1 known substitute for AT4081: 503413. Substitute compatibility should be verified for your specific system.
What is the NSN for AT4081?
AT4081 is cataloged in the U.S. Government catalog under NSN 5340-01-596-5076. This indicates validated use in U.S. government and defense supply chains.
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