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Technical Data Sheet
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A4040-1 — DRIVE SPROCKET ASSE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A4040-1: DRIVE SPROCKET ASSE.

The DRIVE SPROCKET ASSE is a the manufacturer industrial component. Key specifications include end_item_identification: ACFT,T46A TRAINER. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-504-0401, 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
A4040-1
NSN: 5355-00-504-0401
NIINs: 005040401, 011882708, 012348622
FSC: 5355 — Knobs and Pointers
CAGE: 27307 — J L M ELECTRONICS INC DBA PACK RITE COMPANY (USA)
SPECIFICATIONS
end_item_identificationACFT,T46A TRAINER
NSN5355-00-504-0401
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DRIVE SPROCKET ASSE TITLE COMPONENT PN A4040-1 MFR DRIVE SPROCKET ASSE
KEY FEATURES
•
STYLE DESIGNATOR: ROUND
•
OUTSIDE DIAMETER: 0.740 INCHES NOMINAL IN
•
HEIGHT: 0.130 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
ATTACHMENT METHOD: SHAFT
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORROUND
OUTSIDE DIAMETER0.740 INCHES NOMINAL IN
HEIGHT0.130 INCHES NOMINAL IN
MATERIALSTEEL
ATTACHMENT METHODSHAFT
SUBSTITUTES & CROSS-REFERENCES 1
5040401Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A4040-1?
A4040-1 is a DRIVE SPROCKET ASSE.
What parts can replace A4040-1?
There is 1 known substitute for A4040-1: 5040401. Substitute compatibility should be verified for your specific system.
What is the NSN for A4040-1?
A4040-1 is cataloged in the U.S. Government catalog under NSN 5355-00-504-0401. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.