Model: K-3238729

Helical Gear

Special Features:

2 counterweights, oil plug, 2 rivets, 2 counterweight holes 5/8 in. Diameter located 3 in. Below center of bore and 2 in. To left and right of lower vertical center line, figure 6 stamped on side of gear face on center line of tooth space 36 degrees 11 min cw from lower vertical center line, figure 5 stamped on side of gear face on center line of tooth space 73 degrees 20 min cw from figure 6, figure 7 stamped on side of gear face on center line of tooth space 86 degrees 40 min cw from figure 5, 30.189 in. Diameter oil holes, 1 located on hub end 1-15/64 in. Below center of bore on lower vertical center line and drilled 2-13/16 in. Deep, 2 located on side of hub 11/16 in. From each hub end and drilled at a 6 degrees angle to meet oil hole drilled from hub

Properties:

Body Style
Webbed, with lightening holes
Pitch Diameter
10.8000 inches
Teeth Quantity
54
Bore Style
Plain both ends
Hardness Rating
10.0 rockwell c and 16.0 rockwell c
Outside Diameter
11.084 inches
Teeth Type
Single helix
Tooth Form
Stub
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
27.3217 degrees
Distance Between Body Face And Protruding Hub End
0.938 inches both ends
Face Width
1.500 inches
Bore Diameter
2.0000 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.997 inches first end
Hub Diameter
2.997 inches second end
Material
Steel
Material Specification
Mil-s-890, class b military specification single material response
Style Designator
Protruding hubs
NSN
3020-00-391-4050
Part Number
K-3238729
Description
Gear,helical
CAGE
18954

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 K-3238729 NSN 3020-00-391-4050

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:
25.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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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