57A14C31 — GEAR CLUSTER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

57A14C31: GEAR CLUSTER.

The GEAR CLUSTER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY SECOND GEAR, design_type: SPUR ALL GEARS, construction: ASSEMBLED, surface_treatment: PASSIVATE SHAFT/HUB, hub_nominal_length: 0.262 INCHES BETWEEN FIRST AND SECOND GEAR IN, hub_nominal_diameter: 0.140 INCHES BETWEEN FIRST AND SECOND GEAR IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-730-3978, 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

57A14C31

NSN: 3020-00-730-3978
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	COPPER ALLOY SECOND GEAR
design_type	SPUR ALL GEARS
construction	ASSEMBLED
surface_treatment	PASSIVATE SHAFT/HUB
hub_nominal_length	0.262 INCHES BETWEEN FIRST AND SECOND GEAR IN
hub_nominal_diameter	0.140 INCHES BETWEEN FIRST AND SECOND GEAR IN
hub_style_designator	PLAIN BETWEEN FIRST AND SECOND GEAR
nominal_overall_length	0.640 INCHES IN
nominal_outside_diameter	0.812 INCHES THIRD GEAR IN
material_document_and_classification	QQ-S-763,CLASS 7,TYPE A FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB
NSN	3020-00-730-3978

COMPONENT DIAGRAM

KEY FEATURES

•

HUB NOMINAL DIAMETER: 0.093 INCHES FIRST END IN

•

DESIGN TYPE: SPUR ALL GEARS

•

NOMINAL OVERALL LENGTH: 0.640 INCHES IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613 COMP 1 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR

TECHNICAL CHARACTERISTICS

HUB NOMINAL DIAMETER	0.093 INCHES FIRST END IN
HUB NOMINAL DIAMETER	0.055 INCHES SECOND END IN
HUB NOMINAL DIAMETER	0.140 INCHES BETWEEN FIRST AND SECOND GEAR IN
DESIGN TYPE	SPUR ALL GEARS
NOMINAL OVERALL LENGTH	0.640 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-613 COMP 1 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,CLASS 7,TYPE A FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,CLASS 7,TYPE A FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB
HUB STYLE DESIGNATOR	PLAIN BETWEEN FIRST AND SECOND GEAR
HUB STYLE DESIGNATOR	1 STEP BOTH ENDS

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 2

57A14C92Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

57A14C30Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation

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FREQUENTLY ASKED QUESTIONS

What is 57A14C31?

57A14C31 is a GEAR CLUSTER.

What parts can replace 57A14C31?

There are 2 known substitutes for 57A14C31: 57A14C92, 57A14C30. Substitute compatibility should be verified for your specific system.

What is the NSN for 57A14C31?

57A14C31 is cataloged in the U.S. Government catalog under NSN 3020-00-730-3978. This indicates validated use in U.S. government and defense supply chains.

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