Model: 3237660

Helical Gear

Special Features:

Two counterweights, one oil plug, two rivets, three oil holes 0.189 in. Dia, one located 1.938 in. From center of bore on 1st end drilled 2.875 in. Deep, two located on hub side 0.688 in. From each hub end, drilled at a 6 degrees angle to meet oil hole drilled from 1st end, fig 2 stamped on side of gear face on centerline between teeth 9deg 31 min cow from upper vertical centerline, fig 4 twelve spaces @cw from fig 2, fig 1 eleven spaces cw from fig 4

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
11.0858 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
3020-00-391-9532
Part Number
3237660
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 3237660 NSN 3020-00-391-9532

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:
23.5000lbs
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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