Model: 121933

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
4.8750 inches
Teeth Quantity
36
Bore Style
10a w/ keyway both ends
Outside Diameter
5.133 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
22.6195 degrees
Distance Between Body Face And Protruding Hub End
0.378 inches first end
Distance Between Body Face And Recessed Hub End
0.380 inches second end
Face Width
1.253 inches
Bore Diameter
1.565 inches both ends
Keyway Width
0.314 inches both ends
Distance From Bore Center To Keyway Bottom
0.935 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.281 inches second end
Hub Diameter
2.734 inches first end
Material
Steel comp 4340h
Material Specification
66 federal standard single material response and aisi/sae 4340h assn standard single material response
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-820-7914
Part Number
121933
Description
Gear,helical
CAGE
15434

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 121933 NSN 3020-00-820-7914

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
4.7000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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