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A100257 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A100257: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include body_style: WEBBED, SOLID, tooth_form: STANDARD, pitch_diameter: 6.9000 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 69, style_designator: PROTRUDING HUBS. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-734-5486, 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
A100257
NSN: 3020-00-734-5486
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
body_styleWEBBED, SOLID
tooth_formSTANDARD
pitch_diameter6.9000 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity69
style_designatorPROTRUDING HUBS
face_nominal_width1.000 INCHES IN
hub_nominal_diameter2.250 INCHES SECOND END IN
hub_style_designatorPLAIN BOTH ENDS
bore_nominal_diameter1.625 INCHES BOTH ENDS IN
nominal_overall_length1.744 INCHES IN
nominal_distance_between_body_face_and_protruding_hub_end0.250 INCHES SECOND END IN
NSN3020-00-734-5486
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN A100257 MFR GEAR,SPUR
KEY FEATURES
•
BORE NOMINAL DIAMETER: 1.625 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 2.250 INCHES FIRST END IN
•
TEETH QUANTITY: 69
•
BODY STYLE: WEBBED, SOLID
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.250 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 1.744 INCHES IN
•
STYLE DESIGNATOR: PROTRUDING HUBS
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER1.625 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER2.250 INCHES FIRST END IN
HUB NOMINAL DIAMETER2.250 INCHES SECOND END IN
TEETH QUANTITY69
BODY STYLEWEBBED, SOLID
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.250 INCHES SECOND END IN
NOMINAL OVERALL LENGTH1.744 INCHES IN
STYLE DESIGNATORPROTRUDING HUBS
PITCH DIAMETER6.9000 INCHES NOMINAL IN
TOOTH FORMSTANDARD
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.
3020-00-000-0091 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 A100257?
A100257 is a GEAR,SPUR.
What is the NSN for A100257?
A100257 is cataloged in the U.S. Government catalog under NSN 3020-00-734-5486. 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.