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7979022 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

7979022: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1025 OVERALL, body_style: PLAIN, SOLID, bore_style: W/ KEYWAY BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 3.6950 INCHES MINIMUM AND 3.7000 INCHES MAXIMUM IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-797-9022, 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
7979022
NSN: 3020-00-797-9022
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1025 OVERALL
body_stylePLAIN, SOLID
bore_styleW/ KEYWAY BOTH ENDS
tooth_formSTANDARD
pitch_diameter3.6950 INCHES MINIMUM AND 3.7000 INCHES MAXIMUM IN
pressure_angle20.0000 DEGREES
teeth_quantity28
style_designatorHUBLESS
face_nominal_width0.750 INCHES IN
keyway_nominal_width0.188 INCHES BOTH ENDS IN
bore_nominal_diameter0.814 INCHES BOTH ENDS IN
nominal_outside_diameter3.772 INCHES IN
NSN3020-00-797-9022
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 7979022 MFR GEAR,SPUR
KEY FEATURES
•
KEYWAY NOMINAL WIDTH: 0.188 INCHES BOTH ENDS IN
•
BORE NOMINAL DIAMETER: 0.814 INCHES BOTH ENDS IN
•
TEETH QUANTITY: 28
•
BODY STYLE: PLAIN, SOLID
•
BORE STYLE: W/ KEYWAY BOTH ENDS
•
STYLE DESIGNATOR: HUBLESS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PITCH DIAMETER: 3.6950 INCHES MINIMUM AND 3.7000 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
KEYWAY NOMINAL WIDTH0.188 INCHES BOTH ENDS IN
BORE NOMINAL DIAMETER0.814 INCHES BOTH ENDS IN
TEETH QUANTITY28
BODY STYLEPLAIN, SOLID
BORE STYLEW/ KEYWAY BOTH ENDS
STYLE DESIGNATORHUBLESS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER3.6950 INCHES MINIMUM AND 3.7000 INCHES MAXIMUM IN
TOOTH FORMSTANDARD
NOMINAL OUTSIDE DIAMETER3.772 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.
3020-00-001-2090 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
279440Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 7979022?
7979022 is a GEAR,SPUR.
What parts can replace 7979022?
There is 1 known substitute for 7979022: 279440. Substitute compatibility should be verified for your specific system.
What is the NSN for 7979022?
7979022 is cataloged in the U.S. Government catalog under NSN 3020-00-797-9022. 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.