Model: 5121

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
4.5715 inches
Teeth Quantity
32
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
59.0 rockwell c and 62.0 rockwell c
Outside Diameter
4.818 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
30.0000 degrees
Distance Between Body Face And Protruding Hub End
0.093 inches second end
Distance Between Body Face And Protruding Hub End
0.532 inches first end
Face Width
0.875 inches
Bore Diameter
1.781 inches both ends
Keyway Width
0.312 inches both ends
Distance From Bore Center To Keyway Bottom
1.078 inches both ends
Hub Style Designator
1 step first end
Hub Style Designator
Plain second end
Hub Diameter
2.625 inches second end
End Length
0.410 inches first end
End Diameter
2.625 inches first end
First Step Length
0.125 inches first end
First Step Diameter
3.250 inches first end
Material
Steel comp 8620h
Material Specification
66 federal standard single material response and aisi/sae 8620h assn standard single material response
Style Designator
Protruding hubs
NSN
3020-00-496-3848
Part Number
5121
Description
Gear,helical
CAGE
13125

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 5121 NSN 3020-00-496-3848

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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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