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

Groove Pulley

Model / MPN: SP40 | NSN: 3020-00-528-0498
ITAR Registered seal

A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see block, tackle. for items specifically designed for aviation, see pulle (1) , groove, aviation.

Product Details
NATO Stock Number
3020-00-528-0498
Sold in multiples of
DEMIL
NO
Groove Depth
0.3125 inches
Groove Width
Between 0.218 inches and 0.224 inches
Outside Diameter
3.000 inches
Overall Length
Between 0.479 inches and 0.484 inches
Bore Diameter
0.250 inches
Bore Length
Between 0.479 inches and 0.484 inches
Groove Radius
Between 0.109 inches and 0.112 inches
Material And Location
Plastic, polyester
Face Width
Between 0.433 inches and 0.442 inches
Design Form
Plain
Bore Type
Straight
Bearings
Included
Groove Quantity
1
Counterbore Feature
Not included
Bearing Quantity
1
Keying Facility
Not included
Split Hub Feature
Not included
Web/spoke Relationship To Face Centerline
Not offset
Lightening Hole
Not included
Integral Cooling Vane
Not included
Groove Shape
U
Bore Feature
Included
Bearing Type
Ball
Hub End Outside Diameter And Location
0.375 inches both ends
Distance From Outside Flange/rim To Hub End And Location
0.021 inches both ends and 0.023 inches both ends
Style Designator
Plain
SP40 Series Parts

Pricing and Availability

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SP40 Cross Reference
  • BB120
  • BB120