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7521685 — GEARSHAFT,HELICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

7521685: GEARSHAFT,HELICAL.

The GEARSHAFT,HELICAL is a the manufacturer industrial component. Key specifications include face_width: 2.438 INCHES NOMINAL IN, shaft_type: SHOULDERED, gear_material: STEEL, overall_length: 8.031 INCHES NOMINAL IN, shaft_material: STEEL, teeth_quantity: 12. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-752-1685, 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
7521685
NSN: 3040-00-752-1685
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
face_width2.438 INCHES NOMINAL IN
shaft_typeSHOULDERED
gear_materialSTEEL
overall_length8.031 INCHES NOMINAL IN
shaft_materialSTEEL
teeth_quantity12
NSN3040-00-752-1685
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEARSHAFT,HELICAL TITLE COMPONENT PN 7521685 MFR GEARSHAFT,HELICAL
KEY FEATURES
•
SHAFT TYPE: SHOULDERED
•
SHAFT MATERIAL: STEEL
•
TEETH QUANTITY: 12
•
GEAR MATERIAL: STEEL
•
FACE WIDTH: 2.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHAFT TYPESHOULDERED
SHAFT MATERIALSTEEL
TEETH QUANTITY12
OVERALL LENGTH8.031 INCHES NOMINAL IN
GEAR MATERIALSTEEL
FACE WIDTH2.438 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224
SUBSTITUTES & CROSS-REFERENCES 4
801E562Reference document
Same NSN cross-reference
Reference document — Secondary reference
913747Reference document
Same NSN cross-reference
Reference document — Secondary reference
25207521685Reference document
Same NSN cross-reference
Reference document — Secondary reference
2658D5Reference 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 7521685?
7521685 is a GEARSHAFT,HELICAL.
What parts can replace 7521685?
There are 4 known substitutes for 7521685: 801E562, 913747, 25207521685 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7521685?
7521685 is cataloged in the U.S. Government catalog under NSN 3040-00-752-1685. 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.