491934 — SPIDER,GASKET AND VALVE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

491934: SPIDER,GASKET AND VALVE.

The SPIDER,GASKET AND VALVE is a the manufacturer industrial component. Key specifications include special_features: SOLE SOURCE REQUIRED BY STATUTE 6.302, end_item_identification: MINE SAFETY APPLIANCES COMPANY MODEL ULTRA FILTER RESPIRATOR FACEPIECE. This part is cataloged in the U.S.

Government catalog under NSN 4240-01-177-5490, 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

491934

NSN: 4240-01-177-5490
FSC: 4240 — Safety and Rescue Equipment
CAGE: 55799 — MINE SAFETY APPLIANCES COMPANY (USA)

SPECIFICATIONS

special_features	SOLE SOURCE REQUIRED BY STATUTE 6.302
end_item_identification	MINE SAFETY APPLIANCES COMPANY MODEL ULTRA FILTER RESPIRATOR FACEPIECE
NSN	4240-01-177-5490

COMPONENT DIAGRAM

TECHNICAL CHARACTERISTICS

SPECIAL FEATURES	SOLE SOURCE REQUIRED BY STATUTE 6.302
END ITEM IDENTIFICATION	MINE SAFETY APPLIANCES COMPANY MODEL ULTRA FILTER RESPIRATOR FACEPIECE

SUBSTITUTES & CROSS-REFERENCES 2

96669Reference document

Same NSN cross-reference

Reference document — Secondary reference

1007994Reference 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 491934?

491934 is a SPIDER,GASKET AND VALVE.

What parts can replace 491934?

There are 2 known substitutes for 491934: 96669, 1007994. Substitute compatibility should be verified for your specific system.

What is the NSN for 491934?

491934 is cataloged in the U.S. Government catalog under NSN 4240-01-177-5490. This indicates validated use in U.S. government and defense supply chains.

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491934 — SPIDER,GASKET AND VALVE

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