Model: 7974510

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
5.0000 inches
Teeth Quantity
25
Bore Style
Plain both ends
Hardness Rating
53.0 rockwell c and 58.0 rockwell c
Outside Diameter
5.2856 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
12.0000 degrees
Distance Between Body Face And Protruding Hub End
1.380 inches first end
Face Width
1.000 inches
Bore Diameter
2.3125 inches both ends
Hub Style Designator
Pinned first end
Hub Diameter
3.500 inches first end
Material
Steel comp 8620h
Material Specification
Qq-s-624, comp 8620h-canceled federal specification single material response
Style Designator
Protruding hub
NSN
3020-00-506-8493
Part Number
7974510
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 7974510 NSN 3020-00-506-8493

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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