Model: D1139

Worm Wheel Gear

Properties:

Body Style
Spoked
Attachment Method
Mounting hole
Pitch Diameter
4.0000 inches
Teeth Quantity
96
Face Type
Concave
Bore Style
Plain both ends
Mounting Hole Thread Series Designator
Unc transversely through hub, first end
Mounting Hole Thread Size
0.164 inches transversely through hub, first end
Mounting Hole Type And Quantity
1 threaded transversely through hub, first end
Outside Diameter
4.120 inches
Tooth Direction
Right
Throat Radius
0.208 inches
Mating Thread Lead Quantity
2
Pressure Angle
20.0000 degrees
Helix Angle
9.4665 degrees
Distance Between Body Face And Protruding Hub End
0.375 inches first end
Face Width
0.250 inches
Bore Diameter
0.375 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
0.875 inches first end
Material
Copper alloy
Style Designator
One protruding hub, one flush hub
Reference Number Differentiating Characteristics
As differentiated by attaching method
NSN
3020-00-233-2215
Part Number
D1139
Description
Gear,worm Wheel
CAGE
71041

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 D1139 NSN 3020-00-233-2215

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

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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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