Model: 745413-1

Helical Gear

Special Features:

Counterbore, 4.000 in.Dia, 0.562 in.Deep, located first end

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
5.2499 inches
Teeth Quantity
25
Bore Style
Tapered first end
Backlash Designation
Grade a
Mounting Hole Thread Series Designator
Unf axially through body, first end
Hardness Rating
58.0 rockwell c and 62.0 rockwell c
Mounting Hole Thread Size
0.312 inches axially through body, first end
Mounting Hole Type And Quantity
3 threaded axially through body, first end
Outside Diameter
5.649 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
17.7500 degrees
Distance Between Body Face And Protruding Hub End
1.187 inches first end
Face Width
1.000 inches
Taper Major Diameter
2.820 inches first end
Hub Style Designator
Plain first end
Hub Diameter
4.000 inches first end
Material
Steel comp 8620
Material Specification
66aisi/sae8620 federal standard single material response
Surface Treatment
Carbon
Style Designator
Protruding hub
NSN
3020-01-107-8275
Part Number
745413-1
Description
Gear,helical
CAGE
18894

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 745413-1 NSN 3020-01-107-8275

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:
ESD:
MMAC:
CRITL:
X

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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