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PartsTable / COMPONENT / 5504091
5504091 ✓ 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 SUPPORT,BARREL is a the manufacturer industrial component. Key specifications include end_item_identification: MACHINE GUN,CAL. .50 (M2); NSN 1005-00-322-9715.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1005-00-550-4091, 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
5504091
NSN: 1005-00-550-4091
FSC: 1005
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
end_item_identificationMACHINE GUN,CAL. .50 (M2); NSN 1005-00-322-9715
general_characteristics_item_descriptionMATERIAL:IRON;9.885 IN.LG;4.02 IN.DIA AT FIRST END;3.125 IN.DIA AT SECOND END;SURFACE TREATMENT:MANGANESEPHOSPHATE,MIL-P-16232,TYPE M,CLASS 1 IN
NSN1005-00-550-4091
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SUPPORT,BARREL TITLE COMPONENT PN 5504091 MFR SUPPORT,BARREL
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATERIAL:IRON;9.885 IN.LG;4.02 IN.DIA AT FIRST END;3.125 IN.DIA AT SECOND END;SURFACE TREATMENT:MANGANESEPHOSPHATE,MIL-P-16232,TYPE M,CLASS 1 IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATERIAL:IRON;9.885 IN.LG;4.02 IN.DIA AT FIRST END;3.125 IN.DIA AT SECOND END;SURFACE TREATMENT:MANGANESEPHOSPHATE,MIL-P-16232,TYPE M,CLASS 1 IN
END ITEM IDENTIFICATIONMACHINE GUN,CAL. .50 (M2); NSN 1005-00-322-9715
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
A1025-1Interchangeable
interchangeable cross-reference
interchangeable
629613-6Interchangeable
interchangeable cross-reference
interchangeable
1186-000Interchangeable
interchangeable cross-reference
interchangeable
3-10251Interchangeable
interchangeable cross-reference
interchangeable
25014Interchangeable
interchangeable cross-reference
interchangeable
SC-C-866110Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5504091?
5504091 is a SUPPORT,BARREL.
What parts can replace 5504091?
There are 11 known substitutes for 5504091: A1025-1, 629613-6, 1186-000 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5504091?
5504091 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1005-00-550-4091. 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