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PartsTable / COMPONENT / 2A4429
2A4429 ✓ 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. Key specifications include material: STEEL, overall_height: 0.312 INCHES NOMINAL IN, thread_provision: UNTHREADED, largest_outside_width: 0.750 INCHES NOMINAL IN, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-288-3650, 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
2A4429
NSN: 2805-00-288-3650
FSC: 2805
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL
overall_height0.312 INCHES NOMINAL IN
thread_provisionUNTHREADED
largest_outside_width0.750 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
NSN2805-00-288-3650
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LOCK,VALVE SPRING RETAINER TITLE COMPONENT PN 2A4429 MFR LOCK,VALVE SPRING RETA
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
VR92Interchangeable
interchangeable cross-reference
interchangeable
VK87Interchangeable
interchangeable cross-reference
interchangeable
U83Interchangeable
interchangeable cross-reference
interchangeable
IPD2A4429Interchangeable
Same NIIN cross-reference
interchangeable
17KP439Interchangeable
Same NIIN cross-reference
interchangeable
9CA276Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2A4429?
2A4429 is a LOCK,VALVE SPRING RETAINER.
What parts can replace 2A4429?
There are 7 known substitutes for 2A4429: VR92, VK87, U83 and 4 more. Substitute compatibility should be verified for your specific system.
Is 2A4429 still available?
2A4429 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