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4550854-503 — GEARSHAFT,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4550854-503: GEARSHAFT,SPUR.

The GEARSHAFT,SPUR is a the manufacturer industrial component. Key specifications include face_width: 0.187 INCHES NOMINAL IN, gear_material: STEEL COMP 4140, overall_length: 9.910 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, shaft_material: STEEL COMP 4140, diametral_pitch: 48. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-943-7663, 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
4550854-503
NSN: 3040-00-943-7663
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 0EUD7 — UNITED AERONAUTICAL CORPORATION DBA UNITED AERONAUTICAL CORP (USA)
SPECIFICATIONS
face_width0.187 INCHES NOMINAL IN
gear_materialSTEEL COMP 4140
overall_length9.910 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
shaft_materialSTEEL COMP 4140
diametral_pitch48
gear_outside_diameter2.022 INCHES NOMINAL IN
NSN3040-00-943-7663
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEARSHAFT,SPUR TITLE COMPONENT PN 4550854-503 MFR GEARSHAFT,SPUR
KEY FEATURES
•
SHAFT MATERIAL: STEEL COMP 4140
•
DIAMETRAL PITCH: 48
•
GEAR OUTSIDE DIAMETER: 2.022 INCHES NOMINAL IN
•
GEAR MATERIAL: STEEL COMP 4140
•
PRESSURE ANGLE: 20.0000 DEGREES
•
FACE WIDTH: 0.187 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHAFT MATERIALSTEEL COMP 4140
DIAMETRAL PITCH48
GEAR OUTSIDE DIAMETER2.022 INCHES NOMINAL IN
OVERALL LENGTH9.910 INCHES NOMINAL IN
GEAR MATERIALSTEEL COMP 4140
PRESSURE ANGLE20.0000 DEGREES
FACE WIDTH0.187 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4550854-503?
4550854-503 is a GEARSHAFT,SPUR.
What is the NSN for 4550854-503?
4550854-503 is cataloged in the U.S. Government catalog under NSN 3040-00-943-7663. 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.