Model: 129091H

Helical Gear

Special Features:

Internal gear teeth in second end of hub, 4 oil grooves on first end of hub face

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
4.8305 inches
Teeth Quantity
30
Bore Style
Plain both ends
Hardness Rating
59.0 rockwell c and 62.0 rockwell c
Outside Diameter
5.113 inches
Nominallength
1.718 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
17.5000 degrees
Helix Angle
27.4833 degrees
Distance Between Body Face And Protruding Hub End
0.484 inches first end
Distance Between Body Face And Protruding Hub End
0.047 inches second end
Face Width
1.187 inches
Bore Diameter
2.000 inches both ends
Counterbore Depth
0.505 inches second end
Counterbore Diameter
2.606 inches second end
Hub Style Designator
Plain both ends
Hub Diameter
3.375 inches second end
Material
Steel
Material Specification
Qq-s-624 fs 4032, fs 8620 or fs 8720 federal specification single material response
Style Designator
Protruding hubs
NSN
3020-00-350-2975
Part Number
129091H
Description
Gear,helical
CAGE
92679

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 129091H NSN 3020-00-350-2975

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:
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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