Model: 25N455PC20

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Attachment Method
Mounting hole
Pitch Diameter
5.1850 inches
Teeth Quantity
25
Mounting Hole Thready Qty Per Inch (tpi)
13 axially through body, first end
Nominallength
4.000 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
1.000 inches first end
Face Width
3.000 inches
Hub Style Designator
Plain both ends
Hub Diameter
1.750 inches second end
Hub Diameter
1.875 inches first end
Bolt Hole Circle Diameter
2.875 inches axially through body, first end
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-517-3260
Part Number
25N455PC20
Description
Gear,helical
CAGE
50024

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 25N455PC20 NSN 3020-00-517-3260

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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