PartsTable
Technical Data Sheet
Download PDF

1005890-1 — GEAR,ANTIBACKLASH,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1005890-1: GEAR,ANTIBACKLASH,SPUR.

The GEAR,ANTIBACKLASH,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 HUB, bore_style: PLAIN BOTH ENDS, pitch_diameter: 1.5938 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 51, style_designator: PROTRUDING HUB, RECESSED BODY. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-466-2608, 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
1005890-1
NSN: 3020-01-466-2608
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 303 HUB
bore_stylePLAIN BOTH ENDS
pitch_diameter1.5938 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity51
style_designatorPROTRUDING HUB, RECESSED BODY
attachment_methodSETSCREWS
face_nominal_width0.187 INCHES IN
hub_nominal_diameter0.625 INCHES FIRST END IN
hub_style_designatorPINNED FIRST END
bore_nominal_diameter0.3126 INCHES BOTH ENDS IN
nominal_outside_diameter1.656 INCHES IN
NSN3020-01-466-2608
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,ANTIBACKLASH,SPUR TITLE COMPONENT PN 1005890-1 MFR GEAR,ANTIBACKLASH,SPUR
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.3126 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 0.625 INCHES FIRST END IN
•
TEETH QUANTITY: 51
•
BORE STYLE: PLAIN BOTH ENDS
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.375 INCHES FIRST END IN
•
PRECISION CLASSIFICATION: QUALITY NUMBER 12
•
STYLE DESIGNATOR: PROTRUDING HUB, RECESSED BODY
•
PITCH DIAMETER: 1.5938 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.3126 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER0.625 INCHES FIRST END IN
TEETH QUANTITY51
BORE STYLEPLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.375 INCHES FIRST END IN
PRECISION CLASSIFICATIONQUALITY NUMBER 12
STYLE DESIGNATORPROTRUDING HUB, RECESSED BODY
PITCH DIAMETER1.5938 INCHES NOMINAL IN
HUB STYLE DESIGNATORPINNED FIRST END
NOMINAL OUTSIDE DIAMETER1.656 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 1
1005890Reference 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
Ready to buy 1005890-1?
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 1005890-1?
1005890-1 is a GEAR,ANTIBACKLASH,SPUR.
What parts can replace 1005890-1?
There is 1 known substitute for 1005890-1: 1005890. Substitute compatibility should be verified for your specific system.
What is the NSN for 1005890-1?
1005890-1 is cataloged in the U.S. Government catalog under NSN 3020-01-466-2608. 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 — 1005890-1

✓ 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.