Model: 4X148D1

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
3.9380 inches
Teeth Quantity
37
Bore Style
10a w/ keyway both ends
Hardness Rating
58.0 rockwell c and 62.0 rockwell c
Outside Diameter
4.132 inches
Nominallength
0.870 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.122 inches first end
Face Width
0.750 inches
Bore Diameter
1.380 inches both ends
Keyway Width
0.375 inches both ends
Distance From Bore Center To Keyway Bottom
0.850 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
0.125 inches first end
Material
Steel comp 8620
Material Specification
Qq-s-624, comp 8620 federal specification single material response
Style Designator
Protruding hub
NSN
3020-01-012-1738
Part Number
4X148D1
Description
Gear,helical
CAGE
98296

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

Part 4X148D1 NSN 3020-01-012-1738

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
Concept No.:
1
App. Key:
AF
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:
197339
UFC:
96710
LTL:
65.0
LCL:
60.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

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