Model: 641843

Spur Gear

Properties:

Body Style
Webbed, with lightening holes
Pitch Diameter
2.8000 inches
Teeth Quantity
56
Bore Style
10b w/ 2 keyways both ends
Bore Style
W/ 2 keyways both ends
Backlash Designation
Grade a
Hardness Rating
89.0 rockwell superficial 15-n and 91.0 rockwell superficial 15-n
Hardness Rating
89.0 rockwell superficial 15-n and 91.0 rockwell superficial 15-n
Outside Diameter
2.900 inches
Nominallength
0.438 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.125 inches both ends
Face Width
0.188 inches
Bore Diameter
0.562 inches both ends
Keyway Width
0.125 inches both ends
Distance From Bore Center To Keyway Bottom
0.401 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
0.875 inches first end
Hub Diameter
0.875 inches second end
Material
Steel
Material Specification
Mil-s-7493 military specification single material response
Style Designator
Protruding hubs
NSN
3020-00-585-1570
Part Number
641843
Description
Gear,spur
CAGE
99167

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 641843 NSN 3020-00-585-1570

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:
HS
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197337
UFC:
96690
LTL:
RATING VARIABLE
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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