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Worldwide distributor of NSN parts and consumables located in the USA.

Spur Gear

Model / MPN: 21717 | NSN: 3020-00-174-5579
ITAR Registered seal

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

Product Details
NATO Stock Number
3020-00-174-5579
Sold in multiples of
* special requirements. EA
DEMIL
NO
Body Style
Webbed, offset, solid
Attachment Method
Mounting hole
Pitch Diameter
2.8750 inches
Teeth Quantity
46
Bore Style
Plain both ends
Mounting Hole Thread Series Designator
Unc transversely through hub, first end
Mounting Hole Thread Size
0.312 inches transversely through hub, first end
Mounting Hole Type And Quantity
1 plain transversely through hub, first end and 1 threaded transversely through hub, first end
Outside Diameter
3.000 inches
Tooth Form
Standard
Pressure Angle
14.5000 degrees
Distance Between Body Face And Protruding Hub End
0.660 inches first end
Face Width
0.551 inches
Bore Diameter
0.685 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
1.181 inches second end
Hub Diameter
1.850 inches first end
Mounting Hole Diameter
0.242 inches transversely through hub, first end
Material
Copper alloy
Material Specification
Mil-m-16576, grade a military specification single material response
Style Designator
One protruding hub, one flush hub

Pricing and Availability

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21717 Cross Reference
  • 99121717
  • A989PC72
  • A990PC72