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8437841 — GEARSHAFT,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

8437841: GEARSHAFT,SPUR.

The GEARSHAFT,SPUR is a the manufacturer industrial component. Key specifications include face_width: 0.510 INCHES NOMINAL IN, shaft_type: SHOULDERED, gear_material: STEEL, overall_length: 1.215 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, shaft_end_size: 1.000 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-443-1013, 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
8437841
NSN: 3040-00-443-1013
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
face_width0.510 INCHES NOMINAL IN
shaft_typeSHOULDERED
gear_materialSTEEL
overall_length1.215 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
shaft_end_size1.000 INCHES IN
shaft_end_typeCIRCULAR GROOVED
shaft_materialSTEEL
teeth_quantity25
diametral_pitch16
hardness_rating60.0 ROCKWELL C MINIMUM OVERALL
gear_outside_diameter1.678 INCHES NOMINAL IN
NSN3040-00-443-1013
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEARSHAFT,SPUR TITLE COMPONENT PN 8437841 MFR GEARSHAFT,SPUR
KEY FEATURES
•
SHAFT TYPE: SHOULDERED
•
SHAFT MATERIAL: STEEL
•
SHAFT LARGEST DIAMETER: 1.000 INCHES NOMINAL IN
•
SHAFT END SIZE: 1.000 INCHES IN
•
TEETH QUANTITY: 25
•
DIAMETRAL PITCH: 16
•
GEAR OUTSIDE DIAMETER: 1.678 INCHES NOMINAL IN
•
HARDNESS RATING: 60.0 ROCKWELL C MINIMUM OVERALL
TECHNICAL CHARACTERISTICS
SHAFT TYPESHOULDERED
SHAFT MATERIALSTEEL
SHAFT LARGEST DIAMETER1.000 INCHES NOMINAL IN
SHAFT END SIZE1.000 INCHES IN
TEETH QUANTITY25
DIAMETRAL PITCH16
GEAR OUTSIDE DIAMETER1.678 INCHES NOMINAL IN
HARDNESS RATING60.0 ROCKWELL C MINIMUM OVERALL
OVERALL LENGTH1.215 INCHES NOMINAL IN
GEAR MATERIALSTEEL
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 1
3040004431013Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 8437841?
8437841 is a GEARSHAFT,SPUR.
What parts can replace 8437841?
There is 1 known substitute for 8437841: 3040004431013. Substitute compatibility should be verified for your specific system.
What is the NSN for 8437841?
8437841 is cataloged in the U.S. Government catalog under NSN 3040-00-443-1013. 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.