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587494 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

587494: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include body_style: PLAIN, SOLID, tooth_form: STANDARD, pitch_diameter: 4.1250 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 33, hardness_rating: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-679-4972, 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
587494
NSN: 3020-00-679-4972
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
body_stylePLAIN, SOLID
tooth_formSTANDARD
pitch_diameter4.1250 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity33
hardness_rating58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
spline_quantity15 BOTH ENDS
style_designatorPROTRUDING HUB
attachment_methodMOUNTING HOLE
nominal_overall_length3.810 INCHES IN
nominal_outside_diameter4.375 INCHES IN
first_step_nominal_length0.250 INCHES FIRST END IN
NSN3020-00-679-4972
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 587494 MFR GEAR,SPUR
KEY FEATURES
•
TEETH QUANTITY: 33
•
BODY STYLE: PLAIN, SOLID
•
FIRST STEP NOMINAL LENGTH: 0.250 INCHES FIRST END IN
•
MOUNTING HOLE NOMINAL DIAMETER: 0.590 INCHES AXIALLY THROUGH FLANGE IN
•
HARDNESS RATING: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL OVERALL LENGTH: 3.810 INCHES IN
•
STYLE DESIGNATOR: PROTRUDING HUB
•
PITCH DIAMETER: 4.1250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TEETH QUANTITY33
BODY STYLEPLAIN, SOLID
FIRST STEP NOMINAL LENGTH0.250 INCHES FIRST END IN
MOUNTING HOLE NOMINAL DIAMETER0.590 INCHES AXIALLY THROUGH FLANGE IN
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL OVERALL LENGTH3.810 INCHES IN
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER4.1250 INCHES NOMINAL IN
TOOTH FORMSTANDARD
SPLINE QUANTITY15 BOTH ENDS
OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-001-2090 3020-00-001-4468 3020-00-007-2779 3020-00-009-4033 3020-00-031-2269 3020-00-146-4181 3020-00-146-4222 3020-00-425-7115
SUBSTITUTES & CROSS-REFERENCES 1
3020006794972Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 587494?
587494 is a GEAR,SPUR.
What parts can replace 587494?
There is 1 known substitute for 587494: 3020006794972. Substitute compatibility should be verified for your specific system.
What is the NSN for 587494?
587494 is cataloged in the U.S. Government catalog under NSN 3020-00-679-4972. 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.