Model: 12458-1PC2

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
4.5000 inches
Teeth Quantity
27
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
4.7388 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
45.0000 degrees
Distance Between Body Face And Protruding Hub End
0.0602 inches both ends
Face Width
1.000 inches
Bore Diameter
0.7505 inches both ends
Keyway Width
0.1885 inches both ends
Distance From Bore Center To Keyway Bottom
0.4783 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
1.750 inches second end
Hub Diameter
1.750 inches first end
Material
Steel comp 8620
Material Specification
Qq-s-624 federal specification single material response
Style Designator
Protruding hubs
NSN
3020-00-274-6388
Part Number
12458-1PC2
Description
Gear,helical
CAGE
05073

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 12458-1PC2 NSN 3020-00-274-6388

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:
--
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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