A15891 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

A15891: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 2.1875 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-320-8499, 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

A15891

NSN: 3020-00-320-8499
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 80249 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2024 OVERALL
body_style	PLAIN, SOLID
bore_style	PLAIN BOTH ENDS
tooth_form	STANDARD
pitch_diameter	2.1875 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	70
special_features	1 EA LOCKPIN FURNISHED
style_designator	PROTRUDING HUB
attachment_method	MOUNTING HOLE
surface_treatment	ANODIZE OVERALL
face_nominal_width	0.125 INCHES IN
NSN	3020-00-320-8499

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.250 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 0.500 INCHES FIRST END IN

•

BACKLASH DESIGNATION: GRADE C

•

TEETH QUANTITY: 70

•

BODY STYLE: PLAIN, SOLID

•

BORE STYLE: PLAIN BOTH ENDS

•

MOUNTING HOLE TYPE AND QUANTITY: 2 THREADED TRANSVERSELY THROUGH HUB FIRST END

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.250 INCHES FIRST END IN

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.250 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	0.500 INCHES FIRST END IN
BACKLASH DESIGNATION	GRADE C
TEETH QUANTITY	70
BODY STYLE	PLAIN, SOLID
BORE STYLE	PLAIN BOTH ENDS
MOUNTING HOLE TYPE AND QUANTITY	2 THREADED TRANSVERSELY THROUGH HUB FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.250 INCHES FIRST END IN
PRECISION CLASSIFICATION	QUALITY NUMBER 10
NOMINAL OVERALL LENGTH	0.375 INCHES IN

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 2

652-325Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

A15891DTD6-17-5Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 A15891?

A15891 is a GEAR,SPUR.

What parts can replace A15891?

There are 2 known substitutes for A15891: 652-325, A15891DTD6-17-5. Substitute compatibility should be verified for your specific system.

What is the NSN for A15891?

A15891 is cataloged in the U.S. Government catalog under NSN 3020-00-320-8499. This indicates validated use in U.S. government and defense supply chains.

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A15891 — GEAR,SPUR

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