Model: 531073-1

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Attachment Method
Mounting hole
Pitch Diameter
Between 1.0823 inches and 1.0833 inches
Teeth Quantity
52
Bore Style
Plain both ends
Hardness Rating
34.0 rockwell c hub and 38.0 rockwell c hub
Hardness Rating
90.0 rockwell c teeth
Mounting Hole Type And Quantity
1 plain transversely through hub, first end
Outside Diameter
1.122 inches
Nominallength
0.370 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
2.0000 degrees
Distance Between Body Face And Protruding Hub End
0.245 inches first end
Face Width
0.125 inches
Bore Diameter
0.219 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
0.380 inches first end
Mounting Hole Diameter
0.057 inches transversely through hub, first end
Material
Steel
Material Specification
Mil-s-6709 military specification single material response
Style Designator
Protruding hub, recessed body
NSN
3020-00-471-9436
Part Number
531073-1
Description
Gear,helical
CAGE
70210

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 531073-1 NSN 3020-00-471-9436

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
60.0
WCC:
593
TCC:
Z
SHC:
Z
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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