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502308 — TRANSMISSION,HYDRAULIC,VEHICULAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

502308: TRANSMISSION,HYDRAULIC,VEHICULAR.

TRANSMISSION,HYDRAULIC,VEHICULAR. Key specifications include design_type: PLANETARY GEAR W/INTEGRAL TORQUE CONVERTER-TRANSFER TRANSMISSION, features_provided: INTEGRAL OIL COOLER, end_item_identification: TRANSMISSION-ALLISON. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-515-1926, 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
502308
NSN: 5325-00-515-1926
NIINs: 005151926, 010891404, 011549784
FSC: 5325 — Fastening Devices
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
design_typePLANETARY GEAR W/INTEGRAL TORQUE CONVERTER-TRANSFER TRANSMISSION
features_providedINTEGRAL OIL COOLER
end_item_identificationTRANSMISSION-ALLISON
NSN5325-00-515-1926
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 502308 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LENGTH: 0.625 INCHES NOMINAL IN
•
INSERT SIZE: 0.500-20 PD 0.4678-0.4698 IN. IN
•
STYLE DESIGNATOR: SERRATED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL COMP 1117 OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.625 INCHES NOMINAL IN
INSERT SIZE0.500-20 PD 0.4678-0.4698 IN. IN
STYLE DESIGNATORSERRATED
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 1117 OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
R308SB10Reference document
Same NSN cross-reference
Reference document — Secondary reference
7767392Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 502308?
502308 is a TRANSMISSION,HYDRAULIC,VEHICULAR.
What parts can replace 502308?
There are 2 known substitutes for 502308: R308SB10, 7767392. Substitute compatibility should be verified for your specific system.
What is the NSN for 502308?
502308 is cataloged in the U.S. Government catalog under NSN 5325-00-515-1926. 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.