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Technical Data Sheet
PartsTable / COMPONENT / 12129-4A
12129-4A ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include duty_type: CONTINUOUS, body_width: 0.440 INCHES NOMINAL IN, body_height: 0.310 INCHES NOMINAL IN, body_length: 1.000 INCHES NOMINAL IN, thread_class: 2B SINGLE MOUNTING FACILITY, overall_width: 1.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2995-00-544-5218, 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
12129-4A
NSN: 2995-00-544-5218
FSC: 2995
CAGE: 78710 — TRIUMPH CONTROLS, LLC DBA TRIUMPH CONTROLS, LLC (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
body_width0.440 INCHES NOMINAL IN
body_height0.310 INCHES NOMINAL IN
body_length1.000 INCHES NOMINAL IN
thread_class2B SINGLE MOUNTING FACILITY
coil_quantity1
overall_width1.500 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_height0.470 INCHES NOMINAL IN
overall_length2.210 INCHES NOMINAL IN
style_designatorRECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE
winding_quantity1
NSN2995-00-544-5218
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 12129-4A MFR RELAY,ELECTROMAGNETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
10-11Interchangeable
interchangeable cross-reference
interchangeable
21294Interchangeable
interchangeable cross-reference
interchangeable
XTS-1587Interchangeable
interchangeable cross-reference
interchangeable
517D116P1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12129-4A?
12129-4A is a RELAY,ELECTROMAGNETIC.
What parts can replace 12129-4A?
There are 4 known substitutes for 12129-4A: 10-11, 21294, XTS-1587 and 1 more. Substitute compatibility should be verified for your specific system.
Is 12129-4A still available?
12129-4A is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026