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PartsTable / COMPONENT / AWS A5.21
AWS A5.21 ✓ 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 AWS A5.21 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 3439-00-542-0411, 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
AWS A5.21
NSN: 3439-00-542-0411
FSC: 3439
CAGE: 31505 — AMERICAN WELDING SOCIETY, INC. (USA)
SPECIFICATIONS
Part NumberAWS A5.21
NSN3439-00-542-0411
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available AWS A5.21 TITLE COMPONENT PN AWS A5.21 MFR AWS A5.21
KEY FEATURES
•
OUTSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
PROCESS TYPE FOR WHICH DESIGNED: OXYACETYLENE
•
SHAPE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-17131,TY MIL-RNICR-C-1 MIL SPEC SINGLE MATERIAL RESPONSE FILLER
•
NONDEFINITIVE SPEC/STD DATA: ROD FORM AND 1/4 SIZE AND MIL-RNICR-C-1 TYPE
•
MATERIAL: NICKEL ALLOY FILLER
•
WELD POSITION FOR WHICH DESIGNED: ALL POSITIONS
•
PHYSICAL FORM: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.250 INCHES NOMINAL IN
PROCESS TYPE FOR WHICH DESIGNEDOXYACETYLENE
SHAPEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-17131,TY MIL-RNICR-C-1 MIL SPEC SINGLE MATERIAL RESPONSE FILLER
NONDEFINITIVE SPEC/STD DATAROD FORM AND 1/4 SIZE AND MIL-RNICR-C-1 TYPE
MATERIALNICKEL ALLOY FILLER
WELD POSITION FOR WHICH DESIGNEDALL POSITIONS
PHYSICAL FORMSTRAIGHT
LENGTH12.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
MILR17131Interchangeable
interchangeable cross-reference
interchangeable
MIL-RCOCR-C-1 0.250Interchangeable
interchangeable cross-reference
interchangeable
MIL-RN1CR-C-1-0.312Interchangeable
interchangeable cross-reference
interchangeable
STOODY 6Interchangeable
interchangeable cross-reference
interchangeable
AWSA5.13-70 RCOCR-A 1/8Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-17131L1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AWS A5.21?
AWS A5.21 is a AWS A5.21.
What parts can replace AWS A5.21?
There are 8 known substitutes for AWS A5.21: MILR17131, MIL-RCOCR-C-1 0.250, MIL-RN1CR-C-1-0.312 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AWS A5.21?
AWS A5.21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3439-00-542-0411. 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