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Technical Data Sheet
PartsTable / COMPONENT / 81773
81773 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The CLUTCH,POSITIVE,NONVEHICULAR is a the manufacturer industrial component. Key specifications include end_item_identification: WINCH ASSEMBLY 81644, MODEL CH185A-36110-01-1, PACCAR WINCH INC. BRADEN CARGO GEARMATIC DIV..

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-448-4030, 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
81773
NSN: 5305-00-448-4030
FSC: 5305
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
end_item_identificationWINCH ASSEMBLY 81644, MODEL CH185A-36110-01-1, PACCAR WINCH INC. BRADEN CARGO GEARMATIC DIV.
NSN5305-00-448-4030
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 81773 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
P-000283Interchangeable
interchangeable cross-reference
interchangeable
24839Interchangeable
interchangeable cross-reference
interchangeable
10559305Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81773?
81773 is a CLUTCH,POSITIVE,NONVEHICULAR.
What parts can replace 81773?
There are 3 known substitutes for 81773: P-000283, 24839, 10559305. Substitute compatibility should be verified for your specific system.
What is the NSN for 81773?
81773 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-448-4030. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026