Model: 423DS254-1

Spur Gear

Properties:

End Application
Ch-46e aircraft
Features Provided
Retaining ring groove
Hardness Rating
59.0 rockwell c body and 64.0 rockwell c body
Distance Between Body Face And Protruding Hub End
6.307 inches between body and flange
Part Name Assigned By Controlling Agency
Bearing, spherical, roller, planet assembly
Material
Steel comp m50 body and steel comp 4340 body
Material Specification
Ams6491 national specification 1st material response body and ams6414 national specification 2nd material response body
Furnished Items And Quantity
1 bearing and 1 bore insert
Reference Number Differentiating Characteristics
As differentiated by the source control dwr no.
NSN
3020-01-465-8431
Part Number
423DS254-1
Description
Gear,spur
CAGE
77272

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

Part 423DS254-1 NSN 3020-01-465-8431

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05466
FIIG:
A27300
Concept No.:
1
App. Key:
AH
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:
F

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
121870
UFC:
64910
LTL:
77.5
LCL:
77.5
WCC:
593
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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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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