Model: 31147251

Groove Pulley

Properties:

Spline Major Diameter
Between 1.892 inches and 1.896 inches
Groove Depth
0.562 inches
Groove Width
0.500 inches
Outside Diameter
6.562 inches
Overall Length
2.188 inches
Bolt Circle Diameter
2.750 inches
Spline Quantity
44
Spline Minor Diameter
Between 1.808 inches and 1.812 inches
Thread Size
3/16-24
V Groove Angle In Deg
36.0
Pitch Diameter
6.438 inches
Securing Hole Quantity
4
Material And Location
Iron, cast
Face Width
0.782 inches
Design Form
Plain
Bore Type
Involute spline
Bearings
Not included
Spline Pressure Angle In Deg
45.0
Spline Length
1.000 inches
Groove Quantity
1
Counterbore Feature
Not included
Spline Pitch Diameter
1.8333 inches
Hole Location
Equally spaced around bore
Securing Method
Threaded hole
Split Hub Feature
Not included
Lightening Hole
Not included
Integral Cooling Vane
Not included
Groove Shape
V
Bore Feature
Included
Protruding Hub Characteristic
Stepped
Securing Location
Pulley surface
Hub End Outside Diameter And Location
2.375 inches aa end and 2.380 inches aa end
Distance From Outside Flange/rim To Hub End And Location
1.406 inches aa end
First Step Face Largest Diameter And Location
3.096 inches aa end and 3.102 inches aa end
Second Step Face Largest Diameter And Location
3.250 inches aa end
First Step Length And Location
0.281 inches aa end
Second Step Length And Location
0.281 inches aa end
Hub End Outside Diameter And Location
2.375 inches aa end and 2.380 inches aa end
Distance From Outside Flange/rim To Hub End And Location
1.406 inches aa end
Style Designator
Plain
NSN
3020-01-100-2638
Part Number
31147251
Description
Pulley,groove
CAGE
13446

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 31147251 NSN 3020-01-100-2638

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
6.7000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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