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517877 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

517877: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include body_style: WEBBED, OFFSET, SOLID, tooth_form: STANDARD, pitch_diameter: 4.8571 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 34, 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 3020-00-734-6547, 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
517877
NSN: 3020-00-734-6547
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
body_styleWEBBED, OFFSET, SOLID
tooth_formSTANDARD
pitch_diameter4.8571 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity34
hardness_rating58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
spline_quantity27 BOTH ENDS
style_designatorCONE SHAPE BODY, PROTRUDING HUB
face_nominal_width0.440 INCHES IN
nominal_overall_length2.660 INCHES IN
NSN3020-00-734-6547
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 517877 MFR GEAR,SPUR
KEY FEATURES
•
TEETH QUANTITY: 34
•
BODY STYLE: WEBBED, OFFSET, SOLID
•
HARDNESS RATING: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL OVERALL LENGTH: 2.660 INCHES IN
•
STYLE DESIGNATOR: CONE SHAPE BODY, PROTRUDING HUB
•
PITCH DIAMETER: 4.8571 INCHES NOMINAL IN
•
TOOTH FORM: STANDARD
•
SPLINE QUANTITY: 27 BOTH ENDS
TECHNICAL CHARACTERISTICS
TEETH QUANTITY34
BODY STYLEWEBBED, OFFSET, SOLID
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL OVERALL LENGTH2.660 INCHES IN
STYLE DESIGNATORCONE SHAPE BODY, PROTRUDING HUB
PITCH DIAMETER4.8571 INCHES NOMINAL IN
TOOTH FORMSTANDARD
SPLINE QUANTITY27 BOTH ENDS
PRESSURE ANGLE20.0000 DEGREES
FACE NOMINAL WIDTH0.440 INCHES IN
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.
3020-00-000-0091 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072
SUBSTITUTES & CROSS-REFERENCES 1
7346547Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 517877?
517877 is a GEAR,SPUR.
What parts can replace 517877?
There is 1 known substitute for 517877: 7346547. Substitute compatibility should be verified for your specific system.
What is the NSN for 517877?
517877 is cataloged in the U.S. Government catalog under NSN 3020-00-734-6547. 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.