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10010421 — FILTER,RESPIRATOR,AIR FILTERING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

10010421: FILTER,RESPIRATOR,AIR FILTERING.

FILTER,RESPIRATOR,AIR FILTERING. Key specifications include end_item_identification: 4240-00-501-7540 RESPIRATOR,AIR FILTERING, hazard_protection_feature: TOXIC DUST. This part is cataloged in the U.S.

Government catalog under NSN 4240-01-491-9471, 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
10010421
NSN: 4240-01-491-9471
FSC: 4240 — Safety and Rescue Equipment
CAGE: 55799 — MINE SAFETY APPLIANCES COMPANY (USA)
SPECIFICATIONS
end_item_identification4240-00-501-7540 RESPIRATOR,AIR FILTERING
hazard_protection_featureTOXIC DUST
NSN4240-01-491-9471
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RESPIRATOR,AIR FILTERING TITLE COMPONENT PN 10010421 MFR FILTER,RESPIRATOR,AIR
KEY FEATURES
•
HAZARD PROTECTION FEATURE: TOXIC DUST
TECHNICAL CHARACTERISTICS
HAZARD PROTECTION FEATURETOXIC DUST
END ITEM IDENTIFICATION4240-00-501-7540 RESPIRATOR,AIR FILTERING
OTHER ITEMS IN FSC 4240 — Safety and Rescue Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4240-00-001-1515 4240-00-001-2684 4240-00-006-0022 4240-00-007-4576 4240-00-007-8182 4240-00-007-8183 4240-00-007-8184 4240-00-007-8185
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 10010421?
10010421 is a FILTER,RESPIRATOR,AIR FILTERING.
What is the NSN for 10010421?
10010421 is cataloged in the U.S. Government catalog under NSN 4240-01-491-9471. 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.