Model: W4-20

Worm Wheel Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
Between 0.7803 inches and 0.7813 inches
Teeth Quantity
50
Face Type
Concave
Bore Style
Plain both ends
Outside Diameter
0.813 inches
Tooth Direction
Right
Throat Radius
0.234 inches
Mating Thread Lead Quantity
2
Pressure Angle
14.5000 degrees
Helix Angle
3.5832 degrees
Distance Between Body Face And Protruding Hub End
0.220 inches first end
Face Width
0.188 inches
Bore Diameter
0.250 inches both ends
Hub Style Designator
Pinned first end
Hub Diameter
0.500 inches first end
Material
Copper alloy 464
Material Specification
Qq-b-637 federal specification single material response
Style Designator
Protruding hub
NSN
3020-01-054-1393
Part Number
W4-20
Description
Gear,worm Wheel
CAGE
00328

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 W4-20 NSN 3020-01-054-1393

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
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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