Model: 319398

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
11.2130 inches
Teeth Quantity
89
Bore Style
Tapered w/keyway first end
Hardness Rating
30.0 rockwell c and 35.0 rockwell c
Outside Diameter
11.430 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
Plain first end
Hub Diameter
2.750 inches first end
Material
Steel
Material Specification
Mil-s-890, alloy no. 4 military specification single material response
Style Designator
Protruding hub, recessed body
NSN
3020-00-684-1649
Part Number
319398
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 319398 NSN 3020-00-684-1649

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:
--
Paclk Weight:
60.0000lbs
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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