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A72131 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The GEARSHAFT,SPUR is a the manufacturer industrial component. Key specifications include face_width: 0.125 INCHES NOMINAL IN, shaft_type: SHOULDERED, gear_material: STEEL CORROSION RESISTING, overall_length: 1.031 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, shaft_end_size: 0.177 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-031-2478, 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
A72131
NSN: 3040-00-031-2478
FSC: 3040
CAGE: 58250 — BALLANTYNE OF OMAHA INC. (USA)
SPECIFICATIONS
face_width0.125 INCHES NOMINAL IN
shaft_typeSHOULDERED
gear_materialSTEEL CORROSION RESISTING
overall_length1.031 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
shaft_end_size0.177 INCHES IN
shaft_end_typePLAIN
shaft_materialSTEEL CORROSION RESISTING
teeth_quantity27
diametral_pitch32
gear_outside_diameter0.906 INCHES NOMINAL IN
gear_location_on_shaftON END OF SHAFT
NSN3040-00-031-2478
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEARSHAFT,SPUR TITLE COMPONENT PN A72131 MFR GEARSHAFT,SPUR
KEY FEATURES
•
PRESSURE ANGLE: 20.0000 DEGREES
•
SHAFT LARGEST DIAMETER: 0.312 INCHES NOMINAL IN
•
GEAR OUTSIDE DIAMETER: 0.906 INCHES NOMINAL IN
•
DIAMETRAL PITCH: 32
•
FACE WIDTH: 0.125 INCHES NOMINAL IN
•
GEAR MATERIAL: STEEL CORROSION RESISTING
•
SHAFT END TYPE: PLAIN
•
GEAR LOCATION ON SHAFT: ON END OF SHAFT
TECHNICAL CHARACTERISTICS (FLIS)
PRESSURE ANGLE20.0000 DEGREES
SHAFT LARGEST DIAMETER0.312 INCHES NOMINAL IN
GEAR OUTSIDE DIAMETER0.906 INCHES NOMINAL IN
DIAMETRAL PITCH32
FACE WIDTH0.125 INCHES NOMINAL IN
GEAR MATERIALSTEEL CORROSION RESISTING
SHAFT END TYPEPLAIN
GEAR LOCATION ON SHAFTON END OF SHAFT
OVERALL LENGTH1.031 INCHES NOMINAL IN
SHAFT END SIZE0.177 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
72131Interchangeable
interchangeable cross-reference
interchangeable
590-2314Interchangeable
interchangeable cross-reference
interchangeable
905153-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A72131?
A72131 is a GEARSHAFT,SPUR.
What parts can replace A72131?
There are 3 known substitutes for A72131: 72131, 590-2314, 905153-1. Substitute compatibility should be verified for your specific system.
What is the NSN for A72131?
A72131 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-031-2478. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026