Model: B849

Helical Gear

Special Features:

C9bore 1st end 2.945 in. Diameter by 0.500 in. Deep

Properties:

Body Style
Webbed, solid
Spline Quantity
10 both ends
Pitch Diameter
11.8950 inches
Teeth Quantity
35
Bore Style
Straight spline both ends
Outside Diameter
12.561 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
11.2499 degrees
Distance Between Body Face And Protruding Hub End
2.047 inches first end
Face Width
2.500 inches
Bore Diameter
2.951 inches both ends
Hub Style Designator
Plain second end
Hub Diameter
4.250 inches second end
End Length
1.188 inches first end
End Diameter
3.438 inches first end
First Step Length
0.703 inches first end
First Step Diameter
4.250 inches first end
Material
Steel
Style Designator
One protruding hub, one flush hub
NSN
3020-00-200-2143
Part Number
B849
Description
Gear,helical
CAGE
09136

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 B849 NSN 3020-00-200-2143

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:
--
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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