Model: 19N250

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
12.4450 inches
Teeth Quantity
60
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
12.843 inches
Nominallength
6.496 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
15.3603 degrees
Distance Between Body Face And Protruding Hub End
1.747 inches both ends
Face Width
3.000 inches
Bore Diameter
10.249 inches both ends
Keyway Width
0.976 inches both ends
Distance From Bore Center To Keyway Bottom
5.390 inches both ends
Hub Style Designator
1 step both ends
End Length
1.503 inches first end
End Length
1.503 inches second end
End Diameter
11.499 inches first end
End Diameter
11.499 inches second end
First Step Length
0.243 inches first end
First Step Length
0.243 inches second end
First Step Diameter
11.937 inches first end
Material
Steel
Material Specification
Mil-s-890, class ac military specification single material response
Style Designator
Protruding hubs
NSN
3020-00-517-3924
Part Number
19N250
Description
Gear,helical
CAGE
50024

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 19N250 NSN 3020-00-517-3924

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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