Model: 56557-1

Groove Pulley

Properties:

Groove Depth
0.125 inches
Groove Width
0.188 inches
Outside Diameter
1.469 inches
Keyway Width
0.188 inches
Thread Size
0.188-32
Bore Diameter
0.625 inches
Bore Length
1.281 inches
Distance From Center Of Bore To Bottom Of Keyway
0.438 inches
V Groove Angle In Deg
30.0
Pitch Diameter
1.375 inches
Securing Hole Quantity
1
Material And Location
Steel
Face Width
1.281 inches
Design Form
Plain
Bore Type
Straight
Bearings
Not included
Groove Quantity
2
Counterbore Feature
Not included
Hole Location
Located on surface between pulley grooves 0.625 in from one end through wall to keyway
Keying Facility
Included
Keying Facility Type
Keyway
Securing Method
Threaded hole
Split Hub Feature
Not included
Lightening Hole
Not included
Integral Cooling Vane
Not included
Groove Shape
V
Bore Feature
Included
Securing Location
Pulley surface
Quantity
1
Style Designator
Plain
NSN
3020-00-430-6567
Part Number
56557-1
Description
Pulley,groove
CAGE
34631

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 56557-1 NSN 3020-00-430-6567

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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