Model: PC250

Helical Gear

Properties:

Body Style
Webbed, with lightening holes
Pitch Diameter
17.4000 inches
Teeth Quantity
87
Outside Diameter
17.8000 inches
Nominallength
4.000 inches
Teeth Type
Single helix
Tooth Form
Stub
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
23.0000 degrees
Distance Between Body Face And Protruding Hub End
0.250 inches both ends
Face Width
3.500 inches
Keyway Width
0.750 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
3.250 inches first end
Hub Diameter
3.250 inches second end
Material
Steel comp 90-60
Material Specification
Mil-s-15083, grade 90-60 military specification single material response
Style Designator
Protruding hubs
NSN
3020-00-204-2828
Part Number
PC250
Description
Gear,helical
CAGE
60076

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 PC250 NSN 3020-00-204-2828

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:
A
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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