Model: 634864-2

Worm Gear

Properties:

Pitch Diameter
1.6818 inches
Face Type
Straight
Bore Style
10a w/ keyway both ends
Hardness Rating
48.0 rockwell c and 53.0 rockwell c
Outside Diameter
1.845 inches
Thread Form Quantity
6
Thread Form Direction
Right-hand
Pressure Angle
2.0000 degrees
Helix Angle
17.9689 degrees
Distance Between Body Face And Protruding Hub End
0.375 inches both ends
Face Width
1.750 inches
Bore Diameter
0.875 inches both ends
Keyway Width
0.187 inches both ends
Distance From Bore Center To Keyway Bottom
0.516 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
1.312 inches both ends
Material
Steel comp 4615
Material Specification
66 federal standard single material response
Style Designator
Protruding hubs
NSN
3020-00-938-3361
Part Number
634864-2
Description
Gear,worm
CAGE
72957

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

Part 634864-2 NSN 3020-00-938-3361

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:
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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