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144EX821 — Technical Data Sheet

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— · 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. Key specifications include end_item_identification: MRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 3 OTHER WEAPON SYSTEMS.. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5365-01-173-3485, 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
144EX821
NSN: 5365-01-173-3485
FSC: 5365
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
end_item_identificationMRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 3 OTHER WEAPON SYSTEMS.
NSN5365-01-173-3485
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN 144EX821 MFR SPACER,RING
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONMRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 3 OTHER WEAPON SYSTEMS.
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
559-1561-069InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
55-0382-6825CSInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5M.5102.228.18InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
TG2476InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
190908InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
91682InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 144EX821?
144EX821 is a SPACER,RING.
What parts can replace 144EX821?
There are 7 known substitutes for 144EX821: 559-1561-069, 55-0382-6825CS, 5M.5102.228.18 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 144EX821?
144EX821 is cataloged in the Federal Logistics Information System under NSN 5365-01-173-3485. 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: October 2026