Model: W9-2

Worm Gear

Properties:

Attachment Method
Mounting hole
Pitch Diameter
0.3333 inches
Bore Style
Plain both ends
Mounting Hole Thread Series Designator
Unc transversely through hub, first end
Mounting Hole Thready Qty Per Inch (tpi)
40 transversely through hub, first end
Mounting Hole Thread Size
0.112 inches transversely through hub, first end
Mounting Hole Type And Quantity
1 threaded transversely through hub, first end
Outside Diameter
0.500 inches
Nominallength
0.750 inches
Thread Form Quantity
2
Thread Form Direction
Right-hand
Pressure Angle
20.0000 degrees
Helix Angle
7.1167 degrees
Distance Between Body Face And Protruding Hub End
0.187 inches first end
Face Width
0.563 inches
Bore Diameter
0.187 inches both ends
Counterbore Depth
0.187 inches first end
Counterbore Diameter
0.219 inches first end
Hub Style Designator
Pinned first end
Hub Diameter
0.313 inches first end
Material
Steel comp 303
Material Specification
Aisi 303 assn standard single material response
Surface Treatment
Passivate
Style Designator
Protruding hub
NSN
3020-01-079-7716
Part Number
W9-2
Description
Gear,worm
CAGE

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

Part W9-2 NSN 3020-01-079-7716

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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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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