Model: 7748587

Helical Gear

Special Features:

Counterbore both ends, first end dia. 4.531 in. , second end dia. 3.937 in. , depth 0.790 in. , 0.832 in., 0.250 in.

Properties:

Body Style
Plain, solid
Spline Quantity
34 both ends
Pitch Diameter
5.2825 inches
Teeth Quantity
26
Bore Style
Involute spline both ends
Spline Pitch Diameter
4.2500 inches both ends
Hardness Rating
57.0 rockwell c and 63.0 rockwell c
Outside Diameter
5.678 inches
Teeth Type
Single helix
Tooth Form
Standard
Flange Diameter
5.326 inches
Tooth Direction
Left
Pressure Angle
17.5000 degrees
Flange Thickness
0.900 inches
Helix Angle
17.5447 degrees
Face Width
2.375 inches
Bore Diameter
4.505 inches both ends
Distance Between Outer Body Face And Inner Flange Face
2.719 inches
Hub Diameter
4.656 inches between body and flange
Material
Steel comp 8620
Material Specification
Mil-s-13048 military specification single material response
Style Designator
Flanged end
NSN
3020-00-953-9909
Part Number
7748587
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 7748587 NSN 3020-00-953-9909

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:
--
Paclk Weight:
10.5000lbs
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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