Model: 8121DBX

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
5.3327 inches
Teeth Quantity
41
Bore Style
Plain both ends
Hardness Rating
16.0 rockwell c and 26.6 rockwell c
Outside Diameter
5.529 inches
Nominallength
1.406 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
39.4500 degrees
Distance Between Body Face And Protruding Hub End
0.156 inches first end
Distance Between Body Face And Recessed Hub End
0.140 inches second end
Face Width
1.250 inches
Bore Diameter
2.312 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.937 inches second end
Hub Diameter
3.062 inches first end
Material
Iron
Style Designator
One protruding hub, one recessed hub
Furnished Items And Quantity
1 externally lubricated bearing
NSN
3020-00-554-7016
Part Number
8121DBX
Description
Gear,helical
CAGE
29510

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 8121DBX NSN 3020-00-554-7016

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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