Model: 28121B

Groove Pulley
Description:

3.265 inches counterbore diameter, 1.109 inches counterbore depth, 0.581 inches groove depth, 9.0000 inches outside diameter, 2.938 inches bore diameter.

Properties:

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
NSN
3020-00-008-7941
Part Number
28121B
Description
Pulley,groove
CAGE
15950

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 pulley(1), groove, aviation.

Part 28121B NSN 3020-00-008-7941

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
08109
FIIG:
T353-A
Concept No.:
1
App. Key:
AA
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127320
UFC:
64560
LTL:
70.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8487900080
  • SITC: 74999
  • End Use: Industrial machines, other
  • NAICS: 333999
  • USDA: 1

Freight Class: Machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers

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