Model: 1539753

Helical Gear

Properties:

Body Style
Webbed, with lightening holes
Pitch Diameter
4.5000 inches
Teeth Quantity
99
Hardness Rating
50.0 rockwell c teeth
Outside Diameter
4.564 inches
Nominallength
2.480 inches
Teeth Type
Single helix
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Helix Angle
23.9184 degrees
Distance Between Body Face And Protruding Hub End
1.125 inches both ends
Face Width
0.500 inches
Hub Style Designator
2 steps both ends
End Length
0.350 inches first end
End Length
0.590 inches second end
End Diameter
0.873 inches first end
End Diameter
0.984 inches second end
First Step Length
0.450 inches second end
First Step Length
0.590 inches first end
First Step Diameter
0.984 inches first end
First Step Diameter
1.200 inches second end
Second Step Length
0.115 inches first end
Second Step Diameter
1.200 inches first end
Material
Steel
Surface Treatment
Cadmium hub and chromate hub
Surface Treatment Specification
Qq-p-416, type 2, cl 1 federal specification single treatment response hub
Style Designator
Protruding hubs
NSN
3020-00-937-8484
Part Number
1539753
Description
Gear,helical
CAGE
05869

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 1539753 NSN 3020-00-937-8484

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:
9
ACC:
Construction Materials

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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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