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Technical Data Sheet
PartsTable / MRO / 21431-1A
21431-1A ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 21431-1A is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 7.875 INCHES NOMINAL IN, head_height: 0.312 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.625 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-00-848-9043, 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
MRO→ MRO_GENERAL→ 21431-1A
NSN: 5895-00-848-9043
FSC: 5895
CAGE: 21856 — CENTROID, INC. DBA CENTROID INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length7.875 INCHES NOMINAL IN
head_height0.312 INCHES NOMINAL IN
thread_class2A A
thread_length0.625 INCHES MINIMUM IN
fastener_length8.500 INCHES NOMINAL IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.625 INCHES NOMINAL IN
NSN5895-00-848-9043
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 21431-1A TITLE COMPONENT PN 21431-1A MFR 21431-1A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
21431Upgraded Successor
successor cross-reference
successor
6002-1431-0200Upgraded Successor
successor cross-reference
successor
100160Interchangeable
interchangeable cross-reference
interchangeable
10X260Interchangeable
interchangeable cross-reference
interchangeable
0903639Interchangeable
interchangeable cross-reference
interchangeable
15447Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21431-1A?
21431-1A is a 21431-1A. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21431-1A?
There are 13 known substitutes for 21431-1A: 21431, 6002-1431-0200, 100160 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21431-1A?
21431-1A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-00-848-9043. 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