Model: 2B1881

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
2.8500 inches
Teeth Quantity
18
Bore Style
Plain both ends
Outside Diameter
0.208 inches
Nominallength
1.172 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
25.5439 degrees
Distance Between Body Face And Protruding Hub End
0.171 inches first end
Face Width
1.000 inches
Bore Diameter
1.625 inches both ends
Counterbore Depth
0.113 inches second end
Counterbore Diameter
2.2500 inches second end
Hub Style Designator
Plain first end
Hub Diameter
2.438 inches first end
Material
Steel comp 1022
Material Specification
Mil-s-20166, ty u, gr m military specification single material response
Style Designator
Protruding hub
NSN
3020-00-352-7385
Part Number
2B1881
Description
Gear,helical
CAGE
11083

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 2B1881 NSN 3020-00-352-7385

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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