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Technical Data Sheet
PartsTable / COMPONENT / 5B5977
5B5977 ✓ 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 part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-187-7476, 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
5B5977
NSN: 5365-00-187-7476
FSC: 5365
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number5B5977
NSN5365-00-187-7476
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN 5B5977 MFR SPACER,RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
29110Interchangeable
interchangeable cross-reference
interchangeable
NBP0099Interchangeable
interchangeable cross-reference
interchangeable
GWA 29110Interchangeable
interchangeable cross-reference
interchangeable
892-6Interchangeable
interchangeable cross-reference
interchangeable
5130-00-242-0615Interchangeable
interchangeable cross-reference
interchangeable
892-6-XInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5B5977?
5B5977 is a SPACER,RING.
What parts can replace 5B5977?
There are 13 known substitutes for 5B5977: 29110, NBP0099, GWA 29110 and 10 more. Substitute compatibility should be verified for your specific system.
Is 5B5977 still available?
5B5977 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