Model: 256097C

Helical Gear

Properties:

Body Style
Webbed, offset, with lightening holes
Pitch Diameter
6.4699 inches
Teeth Quantity
50
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
6.7100 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
15.0000 degrees
Distance Between Body Face And Protruding Hub End
0.746 inches first end
Distance Between Body Face And Recessed Hub End
0.194 inches second end
Face Width
0.847 inches
Bore Diameter
1.250 inches both ends
Keyway Width
0.250 inches both ends
Distance From Bore Center To Keyway Bottom
0.725 inches both ends
Hub Style Designator
1 step first end
Hub Style Designator
Plain second end
Hub Diameter
2.030 inches second end
End Length
0.200 inches first end
End Diameter
1.622 inches first end
First Step Length
0.546 inches first end
First Step Diameter
2.030 inches first end
Material
Iron cast
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-078-9846
Part Number
256097C
Description
Gear,helical
CAGE
1ML14

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 256097C NSN 3020-00-078-9846

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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