Model: W4A-1G

Worm Gear

Properties:

End Application
Semi trailer type 1
Pitch Diameter
3.0000 inches
Face Type
Straight
Bore Style
10a w/ keyway both ends
Outside Diameter
3.500 inches
Thread Form Quantity
1
Thread Form Direction
Right-hand
Pressure Angle
14.5000 degrees
Face Width
4.500 inches
Bore Diameter
1.250 inches both ends
Keyway Width
0.312 inches both ends
Distance From Bore Center To Keyway Bottom
0.156 inches both ends
Material
Steel
Material Specification
Astma108 assn standard single material response
Style Designator
Hubless
NSN
3020-01-251-5903
Part Number
W4A-1G
Description
Gear,worm
CAGE
71176

A gear with teeth on its outer surface in the form of helical threads.

Part W4A-1G NSN 3020-01-251-5903

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05467
FIIG:
A27300
Concept No.:
1
App. Key:
AJ
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:
AH
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
121870
UFC:
64910
LTL:
77.5
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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