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144EX321 ✓ 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 SPACER,RING 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 5365-01-158-2192, 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
144EX321
NSN: 5365-01-158-2192
FSC: 5365
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
Part Number144EX321
NSN5365-01-158-2192
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN 144EX321 MFR SPACER,RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
91555Interchangeable
interchangeable cross-reference
interchangeable
A0L4169-5Interchangeable
interchangeable cross-reference
interchangeable
AIC818-06-5CInterchangeable
interchangeable cross-reference
interchangeable
965816-5CInterchangeable
interchangeable cross-reference
interchangeable
M235A147-2Interchangeable
interchangeable cross-reference
interchangeable
5264Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 144EX321?
144EX321 is a SPACER,RING.
What parts can replace 144EX321?
There are 8 known substitutes for 144EX321: 91555, A0L4169-5, AIC818-06-5C and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 144EX321?
144EX321 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-01-158-2192. 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