Model: B21-00546

Spur Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
Between 1.8050 inches and 1.8060 inches
Teeth Quantity
29
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
32.0 rockwell c hub and 38.0 rockwell c hub
Hardness Rating
32.0 rockwell c teeth and 38.0 rockwell c teeth
Hardness Rating
32.0 rockwell c and 38.0 rockwell c hub
Hardness Rating
32.0 rockwell c and 38.0 rockwell c teeth
Outside Diameter
1.938 inches
Nominallength
0.501 inches
Tooth Form
Standard
Pressure Angle
14.5000 degrees
Distance Between Body Face And Protruding Hub End
0.188 inches first end
Face Width
0.312 inches
Bore Diameter
0.355 inches both ends
Keyway Width
0.096 inches both ends
Distance From Bore Center To Keyway Bottom
0.328 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
0.875 inches first end
Material
Steel
Material Specification
Mil-s-890, class b military specification single material response
Style Designator
Protruding hub
NSN
3020-00-252-1607
Part Number
B21-00546
Description
Gear,spur
CAGE
0AHP5

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 B21-00546 NSN 3020-00-252-1607

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:
197339
UFC:
96710
LTL:
65.0
LCL:
60.0
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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