Model: SK 138

Body Hub

Special Features:

Bore includes 0.312 in.Square keyway; tapered hub; securing hole qty: 2; angle between centerlines in securing holes in deg: 90.0 degs; o/a length: 2.062 in.Nom

Properties:

Shoulder Width
0.688 inches
Shoulder Outside Diameter
3.875 inches
Hub Inside Diameter
1.375 inches
First End Hub Outside Diameter
2.813 inches
Distance From First End Hub To Shoulder
1.374 inches
Style Designator
Single hub w/ securing hol (s)
NSN
3040-01-277-5598
Part Number
SK 138
Description
Hub,body
CAGE
79425

A cylindrical shoulder type item designed to be mounted and secured directly on a shaft or axle to position and retain on its body a gear(s), wheel(s), or the like. Items must have a method of securing directly to the shaft; however, a pilot hole drilled in or through the wall of the shoulder may be considered a method of securing; or by compressing the slotted hub end on the shaft by a hub clamp, which may or may not be included. Excludes bearing, sleeve; bushing, sleeve; and collar, shaft.

Part SK 138 NSN 3040-01-277-5598

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
27782
FIIG:
A523Y0
Concept No.:
1
App. Key:
Cond. Code:
2
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:
018870
UFC:
08780
LTL:
70.0
LCL:
--
WCC:
585
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483905000
  • SITC: 74890
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

Freight Class: Parts of gearing, gear boxes and other speed changers

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