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2040921-1 — GEARSHAFT,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2040921-1: GEARSHAFT,SPUR.

The GEARSHAFT,SPUR is a the manufacturer industrial component. Key specifications include face_width: 0.250 INCHES NOMINAL IN, gear_material: STEEL, overall_length: 3.405 INCHES NOMINAL IN, pressure_angle: 30.0000 DEGREES, shaft_end_type: SPLINED INVOLUTE, shaft_material: STEEL. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-128-4253, 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
2040921-1
NSN: 3040-01-128-4253
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 0ZWK8 — MOOG MILITARY AIRCRAFT LLC (USA)
SPECIFICATIONS
face_width0.250 INCHES NOMINAL IN
gear_materialSTEEL
overall_length3.405 INCHES NOMINAL IN
pressure_angle30.0000 DEGREES
shaft_end_typeSPLINED INVOLUTE
shaft_materialSTEEL
diametral_pitch17
gear_outside_diameter1.590 INCHES NOMINAL IN
NSN3040-01-128-4253
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEARSHAFT,SPUR TITLE COMPONENT PN 2040921-1 MFR GEARSHAFT,SPUR
KEY FEATURES
•
SHAFT MATERIAL: STEEL
•
DIAMETRAL PITCH: 17
•
GEAR OUTSIDE DIAMETER: 1.590 INCHES NOMINAL IN
•
GEAR MATERIAL: STEEL
•
SHAFT END TYPE: SPLINED INVOLUTE
•
PRESSURE ANGLE: 30.0000 DEGREES
•
FACE WIDTH: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHAFT MATERIALSTEEL
DIAMETRAL PITCH17
GEAR OUTSIDE DIAMETER1.590 INCHES NOMINAL IN
OVERALL LENGTH3.405 INCHES NOMINAL IN
GEAR MATERIALSTEEL
SHAFT END TYPESPLINED INVOLUTE
PRESSURE ANGLE30.0000 DEGREES
FACE WIDTH0.250 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 2
10106840Reference document
Same NSN cross-reference
Reference document — Informative reference only
2040921Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2040921-1?
2040921-1 is a GEARSHAFT,SPUR.
What parts can replace 2040921-1?
There are 2 known substitutes for 2040921-1: 10106840, 2040921. Substitute compatibility should be verified for your specific system.
What is the NSN for 2040921-1?
2040921-1 is cataloged in the U.S. Government catalog under NSN 3040-01-128-4253. 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.