Model: 1B7388

Helical Gear

Properties:

Body Style
Webbed, solid
Pitch Diameter
3.1146 inches
Teeth Quantity
23
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
3.3625 inches
Nominallength
1.313 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
22.6195 degrees
Distance Between Body Face And Protruding Hub End
0.438 inches first end
Face Width
0.875 inches
Bore Diameter
0.8755 inches both ends
Keyway Width
0.187 inches both ends
Distance From Bore Center To Keyway Bottom
0.5482 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
1.375 inches first end
Hub Diameter
1.375 inches second end
Material
Steel comp 4340h
Material Specification
Qq-s-624 federal specification single material response
Style Designator
One protruding hub, one flush hub
NSN
3020-00-274-6613
Part Number
1B7388
Description
Gear,helical
CAGE
95201

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 1B7388 NSN 3020-00-274-6613

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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