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110A639 ✓ 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 LOCK,VALVE SPRING RETAINER is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-647-0710, 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
110A639
NSN: 2805-00-647-0710
FSC: 2805
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
Part Number110A639
NSN2805-00-647-0710
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LOCK,VALVE SPRING RETAINER TITLE COMPONENT PN 110A639 MFR LOCK,VALVE SPRING RETA
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
448863Interchangeable
interchangeable cross-reference
interchangeable
A8940Interchangeable
interchangeable cross-reference
interchangeable
SM-C-448863Interchangeable
interchangeable cross-reference
interchangeable
8244025Interchangeable
interchangeable cross-reference
interchangeable
1405Interchangeable
Same NIIN cross-reference
interchangeable
110-0639Interchangeable
Lenovo MEMORY 4G DDR3L 1600 SODIMM
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 110A639?
110A639 is a LOCK,VALVE SPRING RETAINER.
What parts can replace 110A639?
There are 6 known substitutes for 110A639: 448863, A8940, SM-C-448863 and 3 more. Substitute compatibility should be verified for your specific system.
Is 110A639 still available?
110A639 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