PartsTable
Technical Data Sheet
Download PDF

211059549 — GEAR,ANTIBACKLASH,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

211059549: GEAR,ANTIBACKLASH,SPUR.

The GEAR,ANTIBACKLASH,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, bore_style: PLAIN BOTH ENDS, pitch_diameter: 1.1666 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 28, style_designator: PROTRUDING HUB. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-379-2118, 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
211059549
NSN: 3020-01-379-2118
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
bore_stylePLAIN BOTH ENDS
pitch_diameter1.1666 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity28
style_designatorPROTRUDING HUB
surface_treatmentPASSIVATE OVERALL
face_nominal_width0.187 INCHES IN
hub_nominal_diameter0.375 INCHES FIRST END IN
hub_style_designatorPINNED FIRST END
bore_nominal_diameter0.1873 INCHES BOTH ENDS IN
nominal_outside_diameter1.250 INCHES IN
NSN3020-01-379-2118
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,ANTIBACKLASH,SPUR TITLE COMPONENT PN 211059549 MFR GEAR,ANTIBACKLASH,SPUR
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.1873 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 0.375 INCHES FIRST END IN
•
TEETH QUANTITY: 28
•
BORE STYLE: PLAIN BOTH ENDS
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.280 INCHES FIRST END IN
•
STYLE DESIGNATOR: PROTRUDING HUB
•
PITCH DIAMETER: 1.1666 INCHES NOMINAL IN
•
HUB STYLE DESIGNATOR: PINNED FIRST END
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.1873 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER0.375 INCHES FIRST END IN
TEETH QUANTITY28
BORE STYLEPLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.280 INCHES FIRST END IN
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER1.1666 INCHES NOMINAL IN
HUB STYLE DESIGNATORPINNED FIRST END
NOMINAL OUTSIDE DIAMETER1.250 INCHES IN
SURFACE TREATMENTPASSIVATE OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
561-6404325-156Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6404325Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 211059549?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 211059549?
211059549 is a GEAR,ANTIBACKLASH,SPUR.
What parts can replace 211059549?
There are 2 known substitutes for 211059549: 561-6404325-156, 6404325. Substitute compatibility should be verified for your specific system.
What is the NSN for 211059549?
211059549 is cataloged in the U.S. Government catalog under NSN 3020-01-379-2118. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 211059549

✓ 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.