Model: 7971914

Helical Gear

Properties:

Body Style
Plain, solid
Spline Quantity
22 first end
Pitch Diameter
5.0769 inches
Teeth Quantity
22
Bore Style
Plain both ends
Spline Pitch Diameter
4.4000 inches first end
Hardness Rating
60.0 rockwell c and 63.0 rockwell c
Nominallength
2.900 inches
Teeth Type
Single helix
Tooth Form
Stub
Tooth Direction
Left
Pressure Angle
22.5000 degrees
Helix Angle
20.1190 degrees
Distance Between Body Face And Protruding Hub End
0.788 inches first end
Face Width
2.187 inches
Bore Diameter
2.989 inches both ends
Hub Style Designator
Split first end
Hub Diameter
4.610 inches first end
Clamping Surface Length
2.990 inches both ends
Material
Steel
Material Specification
Mil-s-13048 military specification single material response
Style Designator
Protruding hubs
Furnished Items And Quantity
1 bushing
NSN
3020-00-333-3529
Part Number
7971914
Description
Gear,helical
CAGE
19207

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 7971914 NSN 3020-00-333-3529

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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