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VL8643 — SPIDER,UNIVERSAL JOINT,VEHICULAR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

VL8643: SPIDER,UNIVERSAL JOINT,VEHICULAR.

SPIDER,UNIVERSAL JOINT,VEHICULAR. Key specifications include weight: 106.0 OUNCES OZ, diameter: 5.500 INCHES NOMINAL IN, material: ALUMINUM ALLOY, head_style: FLAT, oil_groove: NOT INCLUDED, skirt_type: SOLID. This part is cataloged in the U.S.

Government catalog under NSN 2520-00-738-8662, 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
VL8643
NSN: 2520-00-738-8662
FSC: 2520 — Vehicular Power Transmission Components
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
weight106.0 OUNCES OZ
diameter5.500 INCHES NOMINAL IN
materialALUMINUM ALLOY
head_styleFLAT
oil_grooveNOT INCLUDED
skirt_typeSOLID
body_length6.000 INCHES NOMINAL IN
body_diameter0.562 INCHES NOMINAL IN
carbon_grooveNOT INCLUDED
terminal_typeTAB, SOLDER LUG
inclosure_typeENCASED
overall_height8.000 INCHES NOMINAL IN
NSN2520-00-738-8662
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPIDER,UNIVERSAL JOINT,VEHICULAR TITLE COMPONENT PN VL8643 MFR SPIDER,UNIVERSAL JOINT
SUBSTITUTES & CROSS-REFERENCES 9
210516XReference document
Same NSN cross-reference
Reference document — Secondary reference
944715Reference document
Same NSN cross-reference
Reference document — Secondary reference
CP92N-73Reference document
Same NSN cross-reference
Reference document — Secondary reference
2R801Reference document
Same NSN cross-reference
Reference document — Secondary reference
210376Reference document
Same NSN cross-reference
Reference document — Secondary reference
3A11890Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is VL8643?
VL8643 is a SPIDER,UNIVERSAL JOINT,VEHICULAR.
What parts can replace VL8643?
There are 9 known substitutes for VL8643: 210516X, 944715, CP92N-73 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for VL8643?
VL8643 is cataloged in the U.S. Government catalog under NSN 2520-00-738-8662. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.