Model: 1856549

Spur Gear

Properties:

Body Style
Plain, solid
Attachment Method
Slot
Pitch Diameter
1.8750 inches
Teeth Quantity
90
Bore Style
Plain both ends
Outside Diameter
1.912 inches
Nominallength
0.620 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.500 inches first end
Face Width
0.125 inches
Bore Diameter
0.188 inches both ends
Hub Style Designator
1 step first end
End Length
0.250 inches first end
End Diameter
0.249 inches first end
First Step Diameter
0.440 inches first end
Material
Steel comp 303
Material Specification
Qq-s-764, type 303, cond a federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-std-171, finish no. 5.4.1 military standard single treatment response
Style Designator
Protruding hub
NSN
3020-01-050-2189
Part Number
1856549
Description
Gear,spur
CAGE
03956

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 1856549 NSN 3020-01-050-2189

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

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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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