Model: 7748588

Helical Gear

Properties:

Body Style
Plain, solid
Spline Quantity
34 first end
Pitch Diameter
7.5174 inches
Teeth Quantity
37
Bore Style
Involute spline first end
Bore Style
W/counterbore second end
Spline Pitch Diameter
4.2500 inches first end
Hardness Rating
57.0 rockwell c and 63.0 rockwell c
Outside Diameter
7.912 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
17.5000 degrees
Helix Angle
17.5447 degrees
Distance Between Body Face And Protruding Hub End
1.114 inches first end
Face Width
2.500 inches
Bore Diameter
3.380 inches both ends
Counterbore Depth
1.052 inches second end
Counterbore Diameter
3.937 inches second end
Hub Style Designator
Plain first end
Hub Diameter
5.326 inches first end
Material
Steel comp 8620
Material Specification
66aisi/sae8620 federal standard single material response
Style Designator
Protruding hub
NSN
3020-00-064-6372
Part Number
7748588
Description
Gear,helical
CAGE
19207

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 7748588 NSN 3020-00-064-6372

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
10.0 X 10.0 X 4.5
Paclk Weight:
29.8000lbs
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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