Model: TG2487

Helical Gear

Properties:

Body Style
Webbed, solid
Attachment Method
Mounting hole
Pitch Diameter
6.5000 inches
Teeth Quantity
48
Bore Style
Plain both ends
Backlash Designation
Grade a
Mounting Hole Thread Series Designator
Unc axially through body, first end
Mounting Hole Thready Qty Per Inch (tpi)
16 axially through body, first end
Mounting Hole Thread Size
0.375 inches axially through body, first end
Mounting Hole Type And Quantity
4 threaded axially through body, first end
Outside Diameter
6.757 inches
Nominallength
1.813 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
19.2416 degrees
Helix Angle
16.4556 degrees
Distance Between Body Face And Protruding Hub End
0.063 inches first end
Distance Between Body Face And Recessed Hub End
0.171 inches second end
Face Width
1.750 inches
Bore Diameter
3.1250 inches both ends
Counterbore Depth
1.422 inches second end
Counterbore Diameter
3.543 inches second end
Hub Style Designator
Plain both ends
Hub Diameter
4.875 inches second end
Bolt Hole Circle Diameter
4.125 inches axially through body, first end
Material
Steel comp 4340h
Material Specification
66 federal standard single material response and aisi/sae 4340h assn standard single material response
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-091-7817
Part Number
TG2487
Description
Gear,helical
CAGE
31033

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 TG2487 NSN 3020-00-091-7817

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
60.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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