1218733 — GEAR CLUSTER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

1218733: GEAR CLUSTER.

The GEAR CLUSTER is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, bore_style: PLAIN BOTH ENDS, design_type: SPUR FIRST GEAR, construction: SOLID, surface_treatment: ANODIZE OVERALL, hub_nominal_length: 0.219 INCHES BETWEEN FIRST AND SECOND GEAR IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-121-8733, 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

1218733

NSN: 3020-01-121-8733
NIINs: 011218733, 012312404
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 18131 — AMERICAN PRECISION GEAR COMPANY DBA AMERICAN PRECISION GEAR CO DIV SAME (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2024 OVERALL
bore_style	PLAIN BOTH ENDS
design_type	SPUR FIRST GEAR
construction	SOLID
surface_treatment	ANODIZE OVERALL
hub_nominal_length	0.219 INCHES BETWEEN FIRST AND SECOND GEAR IN
hub_nominal_diameter	1.250 INCHES BETWEEN FIRST AND SECOND GEAR IN
hub_style_designator	PLAIN BETWEEN FIRST AND SECOND GEAR
bore_nominal_diameter	0.250 INCHES BOTH ENDS IN
nominal_overall_length	0.437 INCHES IN
nominal_outside_diameter	1.7083 INCHES SECOND GEAR IN
material_document_and_classification	QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	3020-01-121-8733

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.250 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 1.250 INCHES BETWEEN FIRST AND SECOND GEAR IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

DESIGN TYPE: SPUR SECOND GEAR

•

BORE STYLE: PLAIN BOTH ENDS

•

NOMINAL OVERALL LENGTH: 0.437 INCHES IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.250 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	1.250 INCHES BETWEEN FIRST AND SECOND GEAR IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
DESIGN TYPE	SPUR SECOND GEAR
DESIGN TYPE	SPUR FIRST GEAR
BORE STYLE	PLAIN BOTH ENDS
NOMINAL OVERALL LENGTH	0.437 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HUB STYLE DESIGNATOR	PLAIN BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL LENGTH	0.219 INCHES BETWEEN FIRST AND SECOND GEAR IN

SUBSTITUTES & CROSS-REFERENCES 1

503447Reference 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 1218733?

1218733 is a GEAR CLUSTER.

What parts can replace 1218733?

There is 1 known substitute for 1218733: 503447. Substitute compatibility should be verified for your specific system.

What is the NSN for 1218733?

1218733 is cataloged in the U.S. Government catalog under NSN 3020-01-121-8733. This indicates validated use in U.S. government and defense supply chains.

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1218733 — GEAR CLUSTER

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