Model: 28129

Groove Pulley

Properties:

Counterbore Diameter
1.250 inches
Counterbore Depth
1.375 inches
Groove Depth
0.721 inches
Groove Width
0.812 inches
Outside Diameter
4.750 inches
Overall Length
2.656 inches
Keyway Width
0.250 inches
Bore Diameter
0.874 inches
Bore Length
1.281 inches
Distance From Center Of Bore To Bottom Of Keyway
0.562 inches
V Groove Angle In Deg
36.0
Material And Location
Iron, cast
Face Width
2.469 inches
Design Form
Webbed
Bore Type
Straight
Bearings
Not included
Groove Quantity
2
Counterbore Feature
Included
Counterbore Location
Aa end
Keying Facility
Included
Keying Facility Type
Keyway
Split Hub Feature
Not included
Web/spoke Relationship To Face Centerline
Offset
Lightening Hole
Not included
Integral Cooling Vane
Not included
Groove Shape
V
Bore Feature
Included
Hub End Outside Diameter And Location
1.500 inches aa end
Distance From Outside Flange/rim To Hub End And Location
0.187 inches aa end and 1.375 inches bb end
Quantity
1
Style Designator
Webbed or spoked
NSN
3020-00-797-2273
Part Number
28129
Description
Pulley,groove
CAGE
81381

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 28129 NSN 3020-00-797-2273

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:
U
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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