Model: 2AK51

Groove Pulley

Properties:

Counterbore Diameter
0.750 inches
Counterbore Depth
1.375 inches
Groove Depth
0.500 inches
Groove Width
Between 0.187 inches and 0.500 inches
Outside Diameter
4.950 inches
Overall Length
1.890 inches
Keyway Width
0.187 inches
Key Width
0.187 inches
Bore Diameter
0.750 inches
Bore Length
1.437 inches
Distance From Center Of Bore To Top Of Key
0.500 inches
Groove Radius
Between 0.093 inches and 0.250 inches
Material And Location
Iron, cast
Face Width
1.390 inches
Design Form
Plain
Bore Type
Straight
Bearings
Not included
Groove Quantity
2
Counterbore Feature
Included
Counterbore Location
Both ends
Keying Facility
Included
Keying Facility Type
Integral key
Securing Method
Setscrew
Split Hub Feature
Not included
Web/spoke Relationship To Face Centerline
Offset
Lightening Hole
Not included
Integral Cooling Vane
Not included
Groove Shape
U
Bore Feature
Included
Keying Facility Largest Dimension Location
Aa end or bb end
Securing Location
Aa end
Hub End Outside Diameter And Location
2.125 inches aa end
Distance From Outside Flange/rim To Hub End And Location
0.562 inches aa end and 0.500 inches bb end
Quantity
1
Style Designator
Webbed or spoked
NSN
3020-00-998-4346
Part Number
2AK51
Description
Pulley,groove
CAGE
71176

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 2AK51 NSN 3020-00-998-4346

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

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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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