Model: 121038

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
3.0050 inches
Teeth Quantity
34
Bore Style
10b w/ 2 keyways both ends
Bore Style
W/ 2 keyways both ends
Hardness Rating
34.0 rockwell c and 38.0 rockwell c
Outside Diameter
3.153 inches
Nominallength
1.003 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
45.0000 degrees
Distance Between Body Face And Protruding Hub End
0.250 inches both ends
Face Width
0.500 inches
Bore Diameter
0.625 inches both ends
Keyway Width
0.158 inches both ends
Distance From Bore Center To Keyway Bottom
0.391 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
1.000 inches first end
Hub Diameter
1.000 inches second end
Material
Steel comp 4150
Material Specification
66 federal standard single material response and aisi/sae 4150 assn standard single material response
Style Designator
Protruding hubs
NSN
3020-00-251-0919
Part Number
121038
Description
Gear,helical
CAGE
62983

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 121038 NSN 3020-00-251-0919

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:
--
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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