Model: 318314

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Attachment Method
Mounting hole
Pitch Diameter
11.6250 inches
Teeth Quantity
93
Bore Style
Tapered w/keyway both ends
Hardness Rating
285.0 brinell standard and 325.0 brinell standard
Mounting Hole Type And Quantity
2 plain axially through body, first end
Outside Diameter
11.842 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
30.0483 degrees
Distance Between Body Face And Protruding Hub End
0.500 inches first end
Body Recess Depth
0.875 inches second end
Face Width
2.750 inches
Keyway Width
0.501 inches both ends
Distance From Bore Center To Keyway Bottom
1.403 inches both ends
Taper Major Diameter
2.244 inches first end
Hub Style Designator
1 step first end
End Length
0.375 inches first end
End Diameter
2.750 inches first end
First Step Length
0.625 inches first end
First Step Diameter
4.125 inches first end
Mounting Hole Diameter
0.750 inches axially through body, first end
Bolt Hole Circle Diameter
6.750 inches axially through body, first end
Material
Steel
Material Specification
Mil-s-890, alloy no. 4 military specification single material response
Style Designator
Protruding hub, recessed body
NSN
3020-00-706-3116
Part Number
318314
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 318314 NSN 3020-00-706-3116

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
14.0 X 14.0 X 5.0
Paclk Weight:
62.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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