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211073389 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

211073389: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, body_style: PLAIN, SOLID, bore_style: W/ KEYWAY BOTH ENDS, pitch_diameter: 2.5000 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 25. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-397-5781, 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
211073389
NSN: 3020-01-397-5781
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
body_stylePLAIN, SOLID
bore_styleW/ KEYWAY BOTH ENDS
pitch_diameter2.5000 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity25
style_designatorPROTRUDING HUB
face_nominal_width1.000 INCHES IN
hub_nominal_diameter1.750 INCHES FIRST END IN
hub_style_designatorPLAIN FIRST END
keyway_nominal_width0.189 INCHES BOTH ENDS IN
bore_nominal_diameter1.125 INCHES BOTH ENDS IN
NSN3020-01-397-5781
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 211073389 MFR GEAR,SPUR
KEY FEATURES
•
KEYWAY NOMINAL WIDTH: 0.189 INCHES BOTH ENDS IN
•
BORE NOMINAL DIAMETER: 1.125 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 1.750 INCHES FIRST END IN
•
TEETH QUANTITY: 25
•
BODY STYLE: PLAIN, SOLID
•
BORE STYLE: W/ KEYWAY BOTH ENDS
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.216 INCHES FIRST END IN
•
STYLE DESIGNATOR: PROTRUDING HUB
TECHNICAL CHARACTERISTICS
KEYWAY NOMINAL WIDTH0.189 INCHES BOTH ENDS IN
BORE NOMINAL DIAMETER1.125 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER1.750 INCHES FIRST END IN
TEETH QUANTITY25
BODY STYLEPLAIN, SOLID
BORE STYLEW/ KEYWAY BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.216 INCHES FIRST END IN
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER2.5000 INCHES NOMINAL IN
HUB STYLE DESIGNATORPLAIN FIRST END
SUBSTITUTES & CROSS-REFERENCES 1
167-6404556Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 211073389?
211073389 is a GEAR,SPUR.
What parts can replace 211073389?
There is 1 known substitute for 211073389: 167-6404556. Substitute compatibility should be verified for your specific system.
What is the NSN for 211073389?
211073389 is cataloged in the U.S. Government catalog under NSN 3020-01-397-5781. 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.