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503709-1 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

503709-1: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include length: 2.000 INCHES NOMINAL IN, style_designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS, width_across_flats: 0.375 INCHES NOMINAL IN, cross-sectional_shape: HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-517-1347, 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
503709-1
NSN: 3020-00-517-1347
NIINs: 005171347, 011808838
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 81204 — ASG INDUSTRIES INC (USA)
SPECIFICATIONS
length2.000 INCHES NOMINAL IN
style_designatorLEFT INTERNAL AND RIGHT INTERNAL THREADS
width_across_flats0.375 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
NSN3020-00-517-1347
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 503709-1 MFR GEAR,SPUR
KEY FEATURES
•
TEETH QUANTITY: 72
•
BODY STYLE: WEBBED, OFFSET, SOLID
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.140 INCHES FIRST END IN
•
NOMINAL OVERALL LENGTH: 0.330 INCHES IN
•
STYLE DESIGNATOR: PROTRUDING HUB, RECESSED BODY
•
PITCH DIAMETER: 1.5000 INCHES NOMINAL IN
•
NOMINAL OUTSIDE DIAMETER: 1.531 INCHES IN
•
PRESSURE ANGLE: 20.0000 DEGREES
TECHNICAL CHARACTERISTICS
TEETH QUANTITY72
BODY STYLEWEBBED, OFFSET, SOLID
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.140 INCHES FIRST END IN
NOMINAL OVERALL LENGTH0.330 INCHES IN
STYLE DESIGNATORPROTRUDING HUB, RECESSED BODY
PITCH DIAMETER1.5000 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER1.531 INCHES IN
PRESSURE ANGLE20.0000 DEGREES
MATERIALCOPPER ALLOY OVERALL
FACE NOMINAL WIDTH0.187 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 1
503-7091-002Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 503709-1?
503709-1 is a GEAR,SPUR.
What parts can replace 503709-1?
There is 1 known substitute for 503709-1: 503-7091-002. Substitute compatibility should be verified for your specific system.
What is the NSN for 503709-1?
503709-1 is cataloged in the U.S. Government catalog under NSN 3020-00-517-1347. 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.