M9 Ace Earthmover Armored Combat Tank 13211E8710 Spur Gear | NSN 3020-01-179-8072 NOS

13211E8710 Spur Gear (NSN 3020-01-179-8072)

Spur gear, 43 teeth, 16-spline, for the M9 Ace Earthmover Armored Combat Tank.

Part Information

• Design Control Activity: CECOM LR Center
• Part Number: 13211E8710
• NSN: 3020-01-179-8072
• End Item: M9 Ace Earthmover Armored Combat Tank
• CAGE Code: 97403

Specifications

• Teeth Quantity: 43
• Spline Quantity: 16
• Pitch Diameter: 8.600 in nominal
• Spline Pitch Diameter (both ends): 2.6667 in nominal
• Nominal Outside Diameter: 9.000 in
• Tooth Form: Standard
• Pressure Angle: 25.0 degrees
• Face Nominal Width: 1.750 in
• Bore Nominal Diameter (both ends): 2.855 in
• Material: Steel Comp 4620H and Steel Comp 8620H
• Hardness (overall): Rockwell C 50.0 and Rockwell C 63.0
• Material Document: Fed Std 66, all material responses