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

Groove Pulley

Model / MPN: 28121B | NSN: 3020-00-008-7941
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
3020-00-008-7941
Sold in multiples of
1 EA
DEMIL
NO
Counterbore Diameter
3.265 inches
Counterbore Depth
1.109 inches
Groove Depth
0.581 inches
Outside Diameter
9.0000 inches
Bore Diameter
2.938 inches
Bore Length
2.500 inches
Groove Radius
0.344 inches
Material And Location
Steel, sae 1040
Face Width
2.5000 inches
Design Form
Webbed
Bore Type
Straight
Bearings
Not included
Groove Quantity
1
Counterbore Feature
Included
Counterbore Location
Both ends
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
Hub End Outside Diameter And Location
3.750 inches both ends
Style Designator
Webbed or spoked
28121B Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE7L118T8395 Pulley, Groove 7 EA 04/13/2018
SPE7L118T052M Pulley, Groove 41 EA 06/11/2018

Pricing and Availability

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28121B Cross Reference