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481223 — MASK,AIR LINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

481223: MASK,AIR LINE.

The MASK,AIR LINE is a the manufacturer industrial component. Key specifications include special_features: SOLE SOURCE REQUIRED BY STATUTE 6.302, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 4240-01-251-9401, 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
481223
NSN: 4240-01-251-9401
FSC: 4240 — Safety and Rescue Equipment
CAGE: 55799 — MINE SAFETY APPLIANCES COMPANY (USA)
SPECIFICATIONS
special_featuresSOLE SOURCE REQUIRED BY STATUTE 6.302
criticality_code_justificationFEAT
NSN4240-01-251-9401
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MASK,AIR LINE TITLE COMPONENT PN 481223 MFR MASK,AIR LINE
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIAL FEATURESSOLE SOURCE REQUIRED BY STATUTE 6.302
SUBSTITUTES & CROSS-REFERENCES 5
C-UB111M2101Reference document
Same NSN cross-reference
Reference document — Secondary reference
484936Reference document
Same NSN cross-reference
Reference document — Secondary reference
E-UB1311-5M410-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
801378Reference document
Same NSN cross-reference
Reference document — Secondary reference
D-UB1311-5M410-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 481223?
481223 is a MASK,AIR LINE.
What parts can replace 481223?
There are 5 known substitutes for 481223: C-UB111M2101, 484936, E-UB1311-5M410-1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 481223?
481223 is cataloged in the U.S. Government catalog under NSN 4240-01-251-9401. 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.