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486253 — ALARM,GAS,AUTOMATIC

✓ Government record, cited
MINE SAFETY APPLIANCES COMPANY · COMPONENT
PRODUCT OVERVIEW

486253: ALARM,GAS,AUTOMATIC.

The ALARM,GAS,AUTOMATIC is a MINE SAFETY APPLIANCES COMPANY industrial component. Key specifications include DESIGN TYPE: NONTRIPOD MOUNTING, USAGE DESIGN: FIELD AND INDUSTRIAL, INDICATOR TYPE: HORN AND RED LIGHT, MEDIA DETECTED: OXYGEN AND COMBUSTIBLE GAS AND HYDROGEN SULFIDE, END ITEM IDENTIFICATION: ALARM GAS AUTOMATIC 6665-01-225-3233. This part is cataloged in the U.S.

Government catalog under NSN 6665-01-264-2246, 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
486253
NSN: 6665-01-264-2246
FSC: 6665 — Hazard-detecting Instruments and Apparatus
CAGE: 55799 — MINE SAFETY APPLIANCES COMPANY (USA)
SPECIFICATIONS
DESIGN TYPENONTRIPOD MOUNTING
USAGE DESIGNFIELD AND INDUSTRIAL
INDICATOR TYPEHORN AND RED LIGHT
MEDIA DETECTEDOXYGEN AND COMBUSTIBLE GAS AND HYDROGEN SULFIDE
END ITEM IDENTIFICATIONALARM GAS AUTOMATIC 6665-01-225-3233
NSN6665-01-264-2246
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: MINE SAFETY APPLIANCES COMPANY ALARM,GAS,AUTOMATIC TITLE COMPONENT PN 486253 MFR MINE SAFETY APPLIANCES COMPANY ALARM,GAS,AUTOMATIC
KEY FEATURES
•
INDICATOR TYPE: HORN AND RED LIGHT
•
USAGE DESIGN: FIELD AND INDUSTRIAL
•
DESIGN TYPE: NONTRIPOD MOUNTING
•
MEDIA DETECTED: OXYGEN AND COMBUSTIBLE GAS AND HYDROGEN SULFIDE
TECHNICAL CHARACTERISTICS
INDICATOR TYPEHORN AND RED LIGHT
USAGE DESIGNFIELD AND INDUSTRIAL
DESIGN TYPENONTRIPOD MOUNTING
MEDIA DETECTEDOXYGEN AND COMBUSTIBLE GAS AND HYDROGEN SULFIDE
END ITEM IDENTIFICATIONALARM GAS AUTOMATIC 6665-01-225-3233
OTHER ITEMS IN FSC 6665 — Hazard-detecting Instruments and Apparatus
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6665-00-001-2316 6665-00-001-5355 6665-00-006-0951 6665-00-007-6584 6665-00-008-8883 6665-00-009-9478 6665-00-009-9492 6665-00-010-0061
SUBSTITUTES & CROSS-REFERENCES 2
03501-002Reference document
Same NSN cross-reference
Reference document — Secondary reference
K-20MReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 486253?
486253 is a ALARM,GAS,AUTOMATIC manufactured by MINE SAFETY APPLIANCES COMPANY.
What parts can replace 486253?
There are 2 known substitutes for 486253: 03501-002, K-20M. Substitute compatibility should be verified for your specific system.
What is the NSN for 486253?
486253 is cataloged in the U.S. Government catalog under NSN 6665-01-264-2246. 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.