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147B142 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

147B142: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, SOLID, bore_style: W/ KEYWAY BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 1.7990 INCHES MINIMUM AND 1.8010 INCHES MAXIMUM IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-481-5786, 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
147B142
NSN: 3020-00-481-5786
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_stylePLAIN, SOLID
bore_styleW/ KEYWAY BOTH ENDS
tooth_formSTANDARD
pitch_diameter1.7990 INCHES MINIMUM AND 1.8010 INCHES MAXIMUM IN
pressure_angle20.0000 DEGREES
teeth_quantity36
hardness_rating60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
style_designatorHUBLESS
face_nominal_width0.568 INCHES IN
keyway_nominal_width0.127 INCHES BOTH ENDS IN
bore_nominal_diameter1.255 INCHES BOTH ENDS IN
NSN3020-00-481-5786
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 147B142 MFR GEAR,SPUR
KEY FEATURES
•
KEYWAY NOMINAL WIDTH: 0.127 INCHES BOTH ENDS IN
•
BORE NOMINAL DIAMETER: 1.255 INCHES BOTH ENDS IN
•
TEETH QUANTITY: 36
•
BODY STYLE: PLAIN, SOLID
•
BORE STYLE: W/ KEYWAY BOTH ENDS
•
HARDNESS RATING: 60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: HUBLESS
•
PITCH DIAMETER: 1.7990 INCHES MINIMUM AND 1.8010 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
KEYWAY NOMINAL WIDTH0.127 INCHES BOTH ENDS IN
BORE NOMINAL DIAMETER1.255 INCHES BOTH ENDS IN
TEETH QUANTITY36
BODY STYLEPLAIN, SOLID
BORE STYLEW/ KEYWAY BOTH ENDS
HARDNESS RATING60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORHUBLESS
PITCH DIAMETER1.7990 INCHES MINIMUM AND 1.8010 INCHES MAXIMUM IN
TOOTH FORMSTANDARD
NOMINAL OUTSIDE DIAMETER1.900 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 3
147-0142Reference document
Same NSN cross-reference
Reference document — Secondary reference
147-142Reference document
Same NSN cross-reference
Reference document — Secondary reference
3020004815786Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 147B142?
147B142 is a GEAR,SPUR.
What parts can replace 147B142?
There are 3 known substitutes for 147B142: 147-0142, 147-142, 3020004815786. Substitute compatibility should be verified for your specific system.
What is the NSN for 147B142?
147B142 is cataloged in the U.S. Government catalog under NSN 3020-00-481-5786. 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.