Model: 752-7068477-4

Helical Gear

Special Features:

Helicon gear with ratio 33.5: 1; mates with p/n h832-1662-3 (nsn 3040-01-494-3543) and -16 (cage 96169); matched pair h832-1662-3 & 4 nsn 3020-01-494-0562; next higher assembly nsn 3040-01-492-8053; used on nssn class submarine

Properties:

Body Style
Plain, solid
Spline Quantity
32 both ends
Attachment Method
Mounting hole
End Application
Gearbox, rammer drive
Pitch Diameter
Between 6.1900 inches and 6.2100 inches
Teeth Quantity
67
Bore Style
Involute spline both ends
Spline Pitch Diameter
2.0000 inches both ends
Mounting Hole Type And Quantity
2 plain axially through flange
Outside Diameter
9.0000 inches
Teeth Type
Spiral
Tooth Direction
Right
Pressure Angle
10.0000 degrees and 25.0000 degrees
Distance Between Body Face And Protruding Hub End
0.458 inches between body and flange
Face Width
1.4000 inches
Bore Diameter
2.0500 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.500 inches both ends
Mounting Hole Diameter
0.350 inches axially through flange
Bolt Hole Circle Diameter
4.500 inches axially through flange
Part Name Assigned By Controlling Agency
Shaft, drive, rh
Material
Steel comp e9310
Material Specification
Dod-f-24669/1 gr-9310 military specification single material response
Style Designator
Protruding hub
NSN
3020-01-494-4274
Part Number
752-7068477-4
Description
Gear,helical
CAGE
53711

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 752-7068477-4 NSN 3020-01-494-4274

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:
A
ESD:
A
ESD:
A
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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