Model: 18443

Spur Gear

Properties:

Body Style
Plain, solid
Spline Quantity
10 both ends
Pitch Diameter
Between 3.8310 inches and 3.8350 inches
Teeth Quantity
12
Bore Style
Involute spline both ends
Hardness Rating
34.0 rockwell c teeth and 38.0 rockwell c teeth
Hardness Rating
34.0 rockwell c and 38.0 rockwell c teeth
Outside Diameter
4.472 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Face Width
2.955 inches
Material
Steel comp 5140h
Material Specification
66, comp 5140 h federal standard single material response
Style Designator
Hubless
NSN
3020-00-430-9483
Part Number
18443
Description
Gear,spur
CAGE
23926

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 18443 NSN 3020-00-430-9483

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
121870
UFC:
64910
LTL:
77.5
LCL:
70.0
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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