A57090-1 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

A57090-1: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, tooth_form: STANDARD, pitch_diameter: 3.0000 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 96, style_designator: ONE PROTRUDING HUB, ONE FLUSH HUB. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-910-3770, 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

A57090-1

NSN: 3020-00-910-3770
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 52151 — CONTINENTAL ELECTRONICS CORP (USA)

SPECIFICATIONS

material	COPPER ALLOY OVERALL
tooth_form	STANDARD
pitch_diameter	3.0000 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	96
style_designator	ONE PROTRUDING HUB, ONE FLUSH HUB
attachment_method	MOUNTING HOLE
face_nominal_width	0.187 INCHES IN
hub_nominal_diameter	1.000 INCHES FIRST END IN
bore_nominal_diameter	0.313 INCHES BOTH ENDS IN
nominal_overall_length	0.500 INCHES IN
mounting_hole_nominal_diameter	0.063 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
NSN	3020-00-910-3770

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.313 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 1.000 INCHES FIRST END IN

•

TEETH QUANTITY: 96

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.313 INCHES FIRST END IN

•

MOUNTING HOLE NOMINAL DIAMETER: 0.063 INCHES TRANSVERSELY THROUGH HUB FIRST END IN

•

NOMINAL OVERALL LENGTH: 0.500 INCHES IN

•

STYLE DESIGNATOR: ONE PROTRUDING HUB, ONE FLUSH HUB

•

PITCH DIAMETER: 3.0000 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.313 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	1.000 INCHES FIRST END IN
TEETH QUANTITY	96
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.313 INCHES FIRST END IN
MOUNTING HOLE NOMINAL DIAMETER	0.063 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
NOMINAL OVERALL LENGTH	0.500 INCHES IN
STYLE DESIGNATOR	ONE PROTRUDING HUB, ONE FLUSH HUB
PITCH DIAMETER	3.0000 INCHES NOMINAL IN
TOOTH FORM	STANDARD
PRESSURE ANGLE	20.0000 DEGREES

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 1

Y3296Reference 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

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FREQUENTLY ASKED QUESTIONS

What is A57090-1?

A57090-1 is a GEAR,SPUR.

What parts can replace A57090-1?

There is 1 known substitute for A57090-1: Y3296. Substitute compatibility should be verified for your specific system.

What is the NSN for A57090-1?

A57090-1 is cataloged in the U.S. Government catalog under NSN 3020-00-910-3770. This indicates validated use in U.S. government and defense supply chains.

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A57090-1 — GEAR,SPUR

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