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4F8937 — GEARSHAFT,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4F8937: GEARSHAFT,SPUR.

The GEARSHAFT,SPUR is a the manufacturer industrial component. Key specifications include face_width: 0.625 INCHES NOMINAL IN, shaft_type: SHOULDERED, overall_length: 7.500 INCHES NOMINAL IN, shaft_material: STEEL, teeth_quantity: 36, gear_outside_diameter: 3.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-378-9127, 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
4F8937
NSN: 3040-00-378-9127
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
face_width0.625 INCHES NOMINAL IN
shaft_typeSHOULDERED
overall_length7.500 INCHES NOMINAL IN
shaft_materialSTEEL
teeth_quantity36
gear_outside_diameter3.750 INCHES NOMINAL IN
shaft_largest_diameter1.878 INCHES NOMINAL IN
NSN3040-00-378-9127
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEARSHAFT,SPUR TITLE COMPONENT PN 4F8937 MFR GEARSHAFT,SPUR
KEY FEATURES
•
SHAFT TYPE: SHOULDERED
•
SHAFT MATERIAL: STEEL
•
SHAFT LARGEST DIAMETER: 1.878 INCHES NOMINAL IN
•
TEETH QUANTITY: 36
•
GEAR OUTSIDE DIAMETER: 3.750 INCHES NOMINAL IN
•
FACE WIDTH: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHAFT TYPESHOULDERED
SHAFT MATERIALSTEEL
SHAFT LARGEST DIAMETER1.878 INCHES NOMINAL IN
TEETH QUANTITY36
GEAR OUTSIDE DIAMETER3.750 INCHES NOMINAL IN
OVERALL LENGTH7.500 INCHES NOMINAL IN
FACE WIDTH0.625 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4F8937?
4F8937 is a GEARSHAFT,SPUR.
What is the NSN for 4F8937?
4F8937 is cataloged in the U.S. Government catalog under NSN 3040-00-378-9127. 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.