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PartsTable / COMPONENT / MIL-M-27274
MIL-M-27274 ✓ 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 FACEPIECE,MASK,OXYGEN is a the manufacturer industrial component. Key specifications include harness: INCLUDED, headband: NOT PROVIDED, material: RUBBER SILICONE CLASS Q FACEPIECE, microphone: NOT INCLUDED, design_type: NOSE AND MOUTH, helmet_fastener: INCLUDED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1660-00-794-0857, 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-M-27274
NSN: 1660-00-794-0857
FSC: 1660
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
harnessINCLUDED
headbandNOT PROVIDED
materialRUBBER SILICONE CLASS Q FACEPIECE
microphoneNOT INCLUDED
design_typeNOSE AND MOUTH
helmet_fastenerINCLUDED
user_designatorAIRCRAFT CREWMAN
microphone_pocketNOT INCLUDED
intake_tube_length17.500 INCHES NOMINAL IN
oxygen_system_typePRESSURE DEMAND
mask_size_designationREGULAR NARROW
nondefinitive_spec/std_dataREGULAR NARROW SIZE
NSN1660-00-794-0857
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FACEPIECE,MASK,OXYGEN TITLE COMPONENT PN MIL-M-27274 MFR FACEPIECE,MASK,OXYGEN
KEY FEATURES
•
FSC APPLICATION DATA: ACFT,MASK,OXYGEN
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: RUBBER,SILICONE,4.734 IN. LG,4.609 W,SHORT NARROW W
TECHNICAL CHARACTERISTICS (FLIS)
FSC APPLICATION DATAACFT,MASK,OXYGEN
GENERAL CHARACTERISTICS ITEM DESCRIPTIONRUBBER,SILICONE,4.734 IN. LG,4.609 W,SHORT NARROW W
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
MILB36411Interchangeable
interchangeable cross-reference
interchangeable
45008Interchangeable
interchangeable cross-reference
interchangeable
1061-183Interchangeable
interchangeable cross-reference
interchangeable
J4500BCInterchangeable
interchangeable cross-reference
interchangeable
D2-9706PC179Interchangeable
interchangeable cross-reference
interchangeable
43-1185Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-M-27274?
MIL-M-27274 is a FACEPIECE,MASK,OXYGEN.
What parts can replace MIL-M-27274?
There are 24 known substitutes for MIL-M-27274: MILB36411, 45008, 1061-183 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-M-27274?
MIL-M-27274 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1660-00-794-0857. 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