Model: 318287

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
5.8850 inches
Teeth Quantity
59
Bore Style
Tapered w/keyway second end
Hardness Rating
285.0 brinell standard and 325.0 brinell standard
Outside Diameter
6.057 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
30.0483 degrees
Distance Between Body Face And Protruding Hub End
0.250 inches first end
Face Width
1.266 inches
Keyway Width
0.376 inches second end
Distance From Bore Center To Keyway Bottom
0.969 inches second end
Taper Major Diameter
1.562 inches second end
Hub Style Designator
Plain first end
Hub Diameter
2.094 inches first end
Material
Steel
Material Specification
Mil-s-890, alloy no. 4 military specification single material response
Style Designator
One protruding hub, one flush hub
NSN
3020-00-690-3964
Part Number
318287
Description
Gear,helical
CAGE
21444

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 318287 NSN 3020-00-690-3964

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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