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PartsTable / COMPONENT / M7891HM-2
M7891HM-2 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The FILLER VALVE,AIRCRAFT OXYGEN is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1660-01-370-7431, 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
M7891HM-2
NSN: 1660-01-370-7431
FSC: 1660
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM7891HM-2
NSN1660-01-370-7431
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILLER VALVE,AIRCRAFT OXYGEN TITLE COMPONENT PN M7891HM-2 MFR FILLER VALVE,AIRCRAFT
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESSTRAIGHT THREAD PER MS33656E3; OPERATING PRESSURE 0-3000 PSIG; BURST PRESSURE 6000 PSIG MIN; PROOF PRESSURE 0-4500 PSIG; FILTER 20-MICRON,PRESS FIT; -3 IDENTICAL TO -13 EXCEPT FOR PRESS FIT FILTER VS REMOVEABLE FILTER.MATERIAL:BODY,SEAL RETAINER,GUIDE,RETAINER MADE OF MONEL;SEAL MADE OF KEL-F; SPRING, SNAP RING MADE OF BERYLLIUM COPPER;FILTER SINTERED BRONZE.USED FOR BREATHING OXYGEN SYSTEM.
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
41A5317Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-7891Interchangeable
interchangeable cross-reference
interchangeable
8148650Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-7891Interchangeable
interchangeable cross-reference
interchangeable
AN6024-6Interchangeable
interchangeable cross-reference
interchangeable
9120097-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M7891HM-2?
M7891HM-2 is a FILLER VALVE,AIRCRAFT OXYGEN.
What parts can replace M7891HM-2?
There are 13 known substitutes for M7891HM-2: 41A5317, MIL-PRF-7891, 8148650 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M7891HM-2?
M7891HM-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1660-01-370-7431. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026