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Technical Data Sheet
MIL-PRF-7891 ✓ 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 1660-00-180-4052, 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
MIL-PRF-7891
NSN: 1660-00-180-4052
FSC: 1660
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-PRF-7891
NSN1660-00-180-4052
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILLER VALVE,AIRCRAFT OXYGEN TITLE COMPONENT PN MIL-PRF-7891 MFR FILLER VALVE,AIRCRAFT
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESALUM ALLOY,SPEC QQ-A-591 CL 1 OR 5;ANODIZE,SPEC MIL-A-8625;2.250 IN.FLANGE DIA BY 1.250 IN.BODY DIA BY 0.562 IN.LG;FOUR 0.196 IN.DIA HOLES ON 1.750IN.DIA BOLT CIRCLE;TWO 0.190-32NF-2B THD HOLES THRU BODY. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
MIL-DTL-7891Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-7891Interchangeable
interchangeable cross-reference
interchangeable
AN6024-6Interchangeable
interchangeable cross-reference
interchangeable
9120097-23Interchangeable
interchangeable cross-reference
interchangeable
9120097-3Interchangeable
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 MIL-PRF-7891?
MIL-PRF-7891 is a FILLER VALVE,AIRCRAFT OXYGEN.
What parts can replace MIL-PRF-7891?
There are 14 known substitutes for MIL-PRF-7891: MIL-DTL-7891, MIL-PRF-7891, AN6024-6 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-PRF-7891?
MIL-PRF-7891 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1660-00-180-4052. This indicates validated use in U.S. government and defense supply chains.
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