Model: 3237629

Helical Gear

Properties:

Body Style
Webbed, with lightening holes
Attachment Method
Mounting hole
Pitch Diameter
10.8000 inches
Teeth Quantity
54
Bore Style
Plain both ends
Mounting Hole Thread Series Designator
Unf axially through hub, first end
Mounting Hole Thready Qty Per Inch (tpi)
20 axially through hub, first end
Hardness Rating
10.0 rockwell c and 16.0 rockwell c
Mounting Hole Thread Size
0.500 inches axially through hub, first end
Mounting Hole Type And Quantity
4 threaded axially through hub, first end
Outside Diameter
11.0858 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
27.3217 degrees
Distance Between Body Face And Recessed Hub End
0.438 inches both ends
Face Width
1.500 inches
Bore Diameter
4.001 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
6.000 inches first end
Hub Diameter
6.000 inches second end
Bolt Hole Circle Diameter
5.000 inches axially through hub, first end
Material
Steel
Material Specification
Mil-s-890, class b military specification single material response
Style Designator
Recessed hubs
NSN
3020-00-391-0921
Part Number
3237629
Description
Gear,helical
CAGE
55380

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 3237629 NSN 3020-00-391-0921

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:
--
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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