Model: 18273D

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
0.5900 inches
Teeth Quantity
20
Bore Style
Plain both ends
Outside Diameter
0.6320 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
45.0000 degrees
Face Width
0.125 inches
Bore Diameter
0.375 inches both ends
Precision Classification
Quality number 10 or quality number 11
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6, t4 federal specification single material response
Surface Treatment
Anodize
Style Designator
Hubless
NSN
3020-00-989-7903
Part Number
18273D
Description
Gear,helical
CAGE
42498

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 18273D NSN 3020-00-989-7903

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:
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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