Model: SMB179554

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
Between 0.8130 inches and 0.8330 inches
Teeth Quantity
20
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
0.9160 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
45.0000 degrees
Distance Between Body Face And Protruding Hub End
0.250 inches first end
Distance Between Body Face And Protruding Hub End
0.031 inches second end
Face Width
0.250 inches
Bore Diameter
0.251 inches both ends
Keyway Width
0.125 inches both ends
Distance From Bore Center To Keyway Bottom
0.433 inches both ends
Hub Style Designator
Pinned first end
Hub Style Designator
Plain second end
Hub Diameter
0.498 inches second end
Hub Diameter
0.625 inches first end
Material
Copper alloy 360 hub
Material
Steel body
Material Specification
Qq-b-626, comp 22 federal specification single material response hub
Surface Treatment
Copper body
Style Designator
Protruding hubs
NSN
3020-00-610-7783
Part Number
SMB179554
Description
Gear,helical
CAGE
80063

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

Part SMB179554 NSN 3020-00-610-7783

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
Concept No.:
1
App. Key:
AF
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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