C78121-53 — GEAR,INTERNAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

C78121-53: GEAR,INTERNAL.

The GEAR,INTERNAL is a the manufacturer industrial component. Key specifications include end_item_identification: SHORT CUT ASSEMBLY,THOMAS SHORT COMPANY,MARK I AND II. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-292-1636, 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

C78121-53

NSN: 3020-01-292-1636
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 04972 — SHORT THOMAS A CO (USA)

SPECIFICATIONS

end_item_identification	SHORT CUT ASSEMBLY,THOMAS SHORT COMPANY,MARK I AND II
NSN	3020-01-292-1636

COMPONENT DIAGRAM

TECHNICAL CHARACTERISTICS

END ITEM IDENTIFICATION

SHORT CUT ASSEMBLY,THOMAS SHORT COMPANY,MARK I AND II

SUBSTITUTES & CROSS-REFERENCES 2

PC 53Reference document

Same NSN cross-reference

Reference document — Secondary reference

MARK I AND II PC 53Reference 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 C78121-53?

C78121-53 is a GEAR,INTERNAL.

What parts can replace C78121-53?

There are 2 known substitutes for C78121-53: PC 53, MARK I AND II PC 53. Substitute compatibility should be verified for your specific system.

What is the NSN for C78121-53?

C78121-53 is cataloged in the U.S. Government catalog under NSN 3020-01-292-1636. This indicates validated use in U.S. government and defense supply chains.

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