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SECO Parts and Equipment

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

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

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NSN 3020-01-179-8072 Specs and cross-references for NSN 3020-01-179-8072 (opens in a new tab) ↗

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
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