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Technical Data Sheet
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2121840-114 — RELAY ASSEMBLY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2121840-114: RELAY ASSEMBLY.

The RELAY ASSEMBLY is a the manufacturer industrial component. Key specifications include end_item_identification: MODULE ASSY,POWER SWICHING, individual_relay_quantity: 24. This part is cataloged in the U.S.

Government catalog under NSN 5945-01-253-7451, 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
2121840-114
NSN: 5945-01-253-7451
FSC: 5945 — Relays and Solenoids
CAGE: 12436 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DIV BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION INC (USA)
SPECIFICATIONS
end_item_identificationMODULE ASSY,POWER SWICHING
individual_relay_quantity24
NSN5945-01-253-7451
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY ASSEMBLY TITLE COMPONENT PN 2121840-114 MFR RELAY ASSEMBLY
KEY FEATURES
•
INDIVIDUAL RELAY QUANTITY: 24
TECHNICAL CHARACTERISTICS
INDIVIDUAL RELAY QUANTITY24
END ITEM IDENTIFICATIONMODULE ASSY,POWER SWICHING
OTHER ITEMS IN FSC 5945 — Relays and Solenoids
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5945-00-000-0093 5945-00-001-1891 5945-00-001-2622 5945-00-001-2795 5945-00-001-2806 5945-00-001-2938 5945-00-001-3015 5945-00-001-3016
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 2121840-114?
2121840-114 is a RELAY ASSEMBLY.
What is the NSN for 2121840-114?
2121840-114 is cataloged in the U.S. Government catalog under NSN 5945-01-253-7451. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.