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Technical Data Sheet
PartsTable / COMPONENT / RIA155981
RIA155981 ✓ 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

DIFFUSER,GAS SHIELDED ARC WELDIN. Key specifications include end_item_identification: 4940-01-496-1038, part_name_assigned_by_controlling_agency: MIG GUN DIFFUSER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3431-01-646-8991, 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
RIA155981
NSN: 3431-01-646-8991
FSC: 3431
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
end_item_identification4940-01-496-1038
part_name_assigned_by_controlling_agencyMIG GUN DIFFUSER
NSN3431-01-646-8991
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DIFFUSER,GAS SHIELDED ARC WELDIN TITLE COMPONENT PN RIA155981 MFR DIFFUSER,GAS SHIELDED
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYMIG GUN DIFFUSER
END ITEM IDENTIFICATION4940-01-496-1038
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
32-2211Interchangeable
interchangeable cross-reference
interchangeable
981-670A98WRNInterchangeable
interchangeable cross-reference
interchangeable
980-670A-98WRNInterchangeable
interchangeable cross-reference
interchangeable
6245Interchangeable
interchangeable cross-reference
interchangeable
140829HXInterchangeable
interchangeable cross-reference
interchangeable
1MR226Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RIA155981?
RIA155981 is a DIFFUSER,GAS SHIELDED ARC WELDIN.
What parts can replace RIA155981?
There are 11 known substitutes for RIA155981: 32-2211, 981-670A98WRN, 980-670A-98WRN and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RIA155981?
RIA155981 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3431-01-646-8991. 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