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4018598 — GEARSHAFT,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4018598: GEARSHAFT,SPUR.

The GEARSHAFT,SPUR is a the manufacturer industrial component. Key specifications include gear_material: STEEL COMP E9310, overall_length: 5.150 INCHES NOMINAL IN, pressure_angle: 28.0000 DEGREES, shaft_material: STEEL COMP E9310, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM TEETH, special_features: 1.1667 IN. PITCH DIA IN.

This part is cataloged in the U.S. Government catalog under NSN 3040-00-334-9812, 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
4018598
NSN: 3040-00-334-9812
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
gear_materialSTEEL COMP E9310
overall_length5.150 INCHES NOMINAL IN
pressure_angle28.0000 DEGREES
shaft_materialSTEEL COMP E9310
teeth_quantity7
hardness_rating30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM TEETH
special_features1.1667 IN. PITCH DIA IN
gear_outside_diameter1.497 INCHES NOMINAL IN
shaft_largest_diameter0.777 INCHES NOMINAL IN
NSN3040-00-334-9812
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEARSHAFT,SPUR TITLE COMPONENT PN 4018598 MFR GEARSHAFT,SPUR
KEY FEATURES
•
SHAFT MATERIAL: STEEL COMP E9310
•
SHAFT LARGEST DIAMETER: 0.777 INCHES NOMINAL IN
•
TEETH QUANTITY: 7
•
GEAR OUTSIDE DIAMETER: 1.497 INCHES NOMINAL IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM TEETH
•
GEAR MATERIAL: STEEL COMP E9310
TECHNICAL CHARACTERISTICS
SHAFT MATERIALSTEEL COMP E9310
SHAFT LARGEST DIAMETER0.777 INCHES NOMINAL IN
TEETH QUANTITY7
GEAR OUTSIDE DIAMETER1.497 INCHES NOMINAL IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM TEETH
OVERALL LENGTH5.150 INCHES NOMINAL IN
GEAR MATERIALSTEEL COMP E9310
SPECIAL FEATURES1.1667 IN. PITCH DIA IN
PRESSURE ANGLE28.0000 DEGREES
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
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 4018598?
4018598 is a GEARSHAFT,SPUR.
What is the NSN for 4018598?
4018598 is cataloged in the U.S. Government catalog under NSN 3040-00-334-9812. 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.