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Technical Data Sheet
PartsTable / COMPONENT / 123421-1
123421-1 ✓ 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 CUSHION,SEAT BACK,AIRCRAFT is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: SEAT BACK CUSHION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1680-01-592-6673, 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
123421-1
NSN: 1680-01-592-6673
FSC: 1680
CAGE: 54786 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencySEAT BACK CUSHION
NSN1680-01-592-6673
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CUSHION,SEAT BACK,AIRCRAFT TITLE COMPONENT PN 123421-1 MFR CUSHION,SEAT BACK,AIRC
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAT BACK CUSHION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
123421Interchangeable
interchangeable cross-reference
interchangeable
8317-5124Interchangeable
interchangeable cross-reference
interchangeable
FLUKE 45Interchangeable
interchangeable cross-reference
interchangeable
402-9913Interchangeable
interchangeable cross-reference
interchangeable
45Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 123421-1?
123421-1 is a CUSHION,SEAT BACK,AIRCRAFT.
What parts can replace 123421-1?
There are 5 known substitutes for 123421-1: 123421, 8317-5124, FLUKE 45 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 123421-1?
123421-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1680-01-592-6673. 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