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203788 — GEAR CLUSTER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

203788: GEAR CLUSTER.

The GEAR CLUSTER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_style: PLAIN BOTH ENDS, design_type: SPUR ALL GEARS, construction: SOLID, nominal_overall_length: 0.295 INCHES IN, end_item_identification: 6610-01-164-8092. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-680-6534, 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
203788
NSN: 5306-00-680-6534
NIINs: 006806534, 013412433
FSC: 5306 — Bolts
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_stylePLAIN BOTH ENDS
design_typeSPUR ALL GEARS
constructionSOLID
nominal_overall_length0.295 INCHES IN
end_item_identification6610-01-164-8092
NSN5306-00-680-6534
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 203788 · 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
•
HEAD HEIGHT: 0.203 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.203 INCHES NOMINAL IN
FASTENER LENGTH1.000 INCHES NOMINAL IN
THREAD LENGTH1.000 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2A A
SUBSTITUTES & CROSS-REFERENCES 2
12KP728Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10510514Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 203788?
203788 is a GEAR CLUSTER.
What parts can replace 203788?
There are 2 known substitutes for 203788: 12KP728, 10510514. Substitute compatibility should be verified for your specific system.
What is the NSN for 203788?
203788 is cataloged in the U.S. Government catalog under NSN 5306-00-680-6534. 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.