Model: 37881

Groove Pulley

Special Features:

Bore, face and hub ends to have 0.125 microinch rms finish

Properties:

Groove Depth
0.422 inches
Groove Width
Between 0.365 inches and 0.385 inches
Outside Diameter
4.000 inches
Overall Length
2.375 inches
Keyway Width
Between 0.251 inches and 0.256 inches
Bore Diameter
0.8750 inches
Bore Length
1.313 inches
Distance From Center Of Bore To Bottom Of Keyway
0.555 inches
V Groove Angle In Deg
36.0
Material And Location
Iron, cast, qq-i-652, class 30
Face Width
2.094 inches
Design Form
Webbed
Bore Type
Straight
Bearings
Not included
Groove Quantity
4
Counterbore Feature
Not included
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
Included
Groove Shape
V
Bore Feature
Included
Hub End Outside Diameter And Location
1.500 inches both ends
Distance From Outside Flange/rim To Hub End And Location
1.063 inches aa end and 0.281 inches bb end
Quantity
1
Surface Treatment
Phosphate
Style Designator
Webbed or spoked
Surface Treatment
Phosphate
NSN
3020-00-541-1590
Part Number
37881
Description
Pulley,groove
CAGE
24975

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 37881 NSN 3020-00-541-1590

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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