AT90A11 — GEAR CLUSTER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

AT90A11: GEAR CLUSTER.

The GEAR CLUSTER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4027 OVERALL, bore_style: W/ KEYWAY BOTH ENDS, design_type: SPUR SECOND GEAR, construction: SOLID, special_features: HUB TAPERED,2.000 IN.LARGEST DIA;1.925 IN. SMALLEST DIA IN, hub_nominal_length: 0.120 INCHES BETWEEN FIRST AND SECOND GEAR IN.

This part is cataloged in the U.S. Government catalog under NSN 3020-00-646-7045, 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

AT90A11

NSN: 3020-00-646-7045
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 79410 — LIBERTY VENTURES INTI, LLC (USA)

SPECIFICATIONS

material	STEEL COMP 4027 OVERALL
bore_style	W/ KEYWAY BOTH ENDS
design_type	SPUR SECOND GEAR
construction	SOLID
special_features	HUB TAPERED,2.000 IN.LARGEST DIA;1.925 IN. SMALLEST DIA IN
hub_nominal_length	0.120 INCHES BETWEEN FIRST AND SECOND GEAR IN
hub_nominal_diameter	2.344 INCHES BETWEEN FIRST AND SECOND GEAR IN
hub_style_designator	PLAIN BETWEEN FIRST AND SECOND GEAR
keyway_nominal_width	0.250 INCHES BOTH ENDS IN
bore_nominal_diameter	1.378 INCHES BOTH ENDS IN
nominal_overall_length	1.531 INCHES IN
nominal_outside_diameter	2.564 INCHES SECOND GEAR IN
NSN	3020-00-646-7045

COMPONENT DIAGRAM

KEY FEATURES

•

KEYWAY NOMINAL WIDTH: 0.250 INCHES BOTH ENDS IN

•

BORE NOMINAL DIAMETER: 1.378 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 2.000 INCHES SECOND END IN

•

DESIGN TYPE: SPUR SECOND GEAR

•

BORE STYLE: W/ KEYWAY BOTH ENDS

•

NOMINAL OVERALL LENGTH: 1.531 INCHES IN

TECHNICAL CHARACTERISTICS

KEYWAY NOMINAL WIDTH	0.250 INCHES BOTH ENDS IN
BORE NOMINAL DIAMETER	1.378 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	2.000 INCHES SECOND END IN
HUB NOMINAL DIAMETER	2.344 INCHES BETWEEN FIRST AND SECOND GEAR IN
DESIGN TYPE	SPUR SECOND GEAR
DESIGN TYPE	HELICAL FIRST GEAR
BORE STYLE	W/ KEYWAY BOTH ENDS
NOMINAL OVERALL LENGTH	1.531 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION	FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
HUB STYLE DESIGNATOR	PLAIN BETWEEN FIRST AND SECOND GEAR

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.

3020-00-001-2090 3020-00-001-4468 3020-00-007-2779 3020-00-009-4033 3020-00-031-2269 3020-00-146-4181 3020-00-146-4222 3020-00-425-7115

SUBSTITUTES & CROSS-REFERENCES 4

906197Reference document

Same NSN cross-reference

Reference document — Secondary reference

7994786Reference document

Same NSN cross-reference

Reference document — Secondary reference

7374994Reference document

Same NSN cross-reference

Reference document — Secondary reference

640398Reference 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 AT90A11?

AT90A11 is a GEAR CLUSTER.

What parts can replace AT90A11?

There are 4 known substitutes for AT90A11: 906197, 7994786, 7374994 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for AT90A11?

AT90A11 is cataloged in the U.S. Government catalog under NSN 3020-00-646-7045. This indicates validated use in U.S. government and defense supply chains.

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