Model: B21-00549

Spur Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
1.2500 inches
Teeth Quantity
40
Bore Style
Plain both ends
Outside Diameter
1.312 inches
Tooth Form
Standard
Pressure Angle
14.5000 degrees
Distance Between Body Face And Protruding Hub End
0.250 inches first end
Face Width
0.188 inches
Bore Diameter
0.375 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
0.750 inches first end
Material
Steel
Material Specification
Mil-s-16782-canceled military specification single material response
Surface Treatment
Cadmium
Style Designator
Protruding hub
NSN
3020-00-239-3842
Part Number
B21-00549
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 B21-00549 NSN 3020-00-239-3842

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:
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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