Model: 31-50173-9

Worm Wheel Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
2.8000 inches
Teeth Quantity
28
Face Type
Concave
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
3.100 inches
Tooth Direction
Right
Throat Radius
0.525 inches
Mating Thread Lead Quantity
4
Pressure Angle
14.5000 degrees
Helix Angle
17.7498 degrees
Distance Between Body Face And Protruding Hub End
0.375 inches first end
Face Width
0.625 inches
Bore Diameter
1.187 inches both ends
Keyway Width
0.313 inches both ends
Distance From Bore Center To Keyway Bottom
0.684 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
1.750 inches first end
Material
Copper alloy
Style Designator
Protruding hub
NSN
3020-00-203-1751
Part Number
31-50173-9
Description
Gear,worm Wheel
CAGE
29386

A gear, cylindrical in form, with spiral teeth designed to mesh with the thread forms of a gear (1), worm. See also gear, antibacklash, worm wheel.

Part 31-50173-9 NSN 3020-00-203-1751

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05468
FIIG:
A27300
Concept No.:
1
App. Key:
AK
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:
197337
UFC:
96690
LTL:
RATING VARIABLE
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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