PartsTable
Technical Data Sheet
Download PDF

57593 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

57593: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include special_test_features: NAVORD OD36190, reference_number_differentiating_characteristics: AS DIFFERENTIATED BY SPECIAL TEST FEATURES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-294-8659, 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
57593
NSN: 3020-00-294-8659
NIINs: 002948659, 012129840, 014166542
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 01843 — AMBAC INTERNATIONAL CORPORATION DIV AMBAC INTERNATIONAL (USA)
SPECIFICATIONS
special_test_featuresNAVORD OD36190
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY SPECIAL TEST FEATURES
NSN3020-00-294-8659
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 57593 MFR GEAR,SPUR
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.250 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 0.375 INCHES SECOND END IN
•
TEETH QUANTITY: 96
•
BODY STYLE: PLAIN, SOLID
•
BORE STYLE: PLAIN BOTH ENDS
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.219 INCHES FIRST END IN
•
MOUNTING HOLE NOMINAL DIAMETER: 0.078 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER0.375 INCHES SECOND END IN
HUB NOMINAL DIAMETER0.750 INCHES FIRST END IN
TEETH QUANTITY96
BODY STYLEPLAIN, SOLID
BORE STYLEPLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.219 INCHES FIRST END IN
MOUNTING HOLE NOMINAL DIAMETER0.078 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
NOMINAL OVERALL LENGTH0.438 INCHES IN
STYLE DESIGNATORPROTRUDING HUBS
SUBSTITUTES & CROSS-REFERENCES 4
R11645Reference document
Same NSN cross-reference
Reference document — Secondary reference
B21462Reference document
Same NSN cross-reference
Reference document — Secondary reference
979-1B403Reference document
Same NSN cross-reference
Reference document — Secondary reference
206-337Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 57593?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 57593?
57593 is a GEAR,SPUR.
What parts can replace 57593?
There are 4 known substitutes for 57593: R11645, B21462, 979-1B403 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 57593?
57593 is cataloged in the U.S. Government catalog under NSN 3020-00-294-8659. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 57593

✓ 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.