Model: WSR4820-250

Worm Gear

Special Features:

Mounting holes 90 degrees apart

Properties:

Pitch Diameter
0.4375 inches
Face Type
Straight
Bore Style
Plain both ends
Outside Diameter
0.478 inches
Thread Form Quantity
1
Thread Form Direction
Right-hand
Pressure Angle
20.0000 degrees
Helix Angle
2.7167 degrees
Distance Between Body Face And Protruding Hub End
0.187 inches first end
Face Width
0.438 inches
Bore Diameter
0.250 inches both ends
Hub Style Designator
Pinned first end
Hub Diameter
0.375 inches first end
Material
Stainless steel
Surface Treatment
Passivate
Style Designator
Protruding hub
Furnished Items And Quantity
1 setscrew
NSN
3020-00-736-0315
Part Number
WSR4820-250
Description
Gear,worm
CAGE
34519

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

Part WSR4820-250 NSN 3020-00-736-0315

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

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:
Construction Materials

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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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