Model: 57A17B179

Spur Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
1.1666 inches
Teeth Quantity
56
Mounting Hole Thread Series Designator
Unf transversely through hub, first end
Mounting Hole Thready Qty Per Inch (tpi)
40 transversely through hub, first end
Mounting Hole Type And Quantity
2 threaded transversely through hub, first end
Outside Diameter
1.219 inches
Nominallength
0.248 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.186 inches first end
Face Width
0.062 inches
Bore Diameter
0.250 inches both ends
Hub Diameter
0.500 inches first end
Material
Copper alloy
Style Designator
Protruding hub
NSN
3020-00-640-4759
Part Number
57A17B179
Description
Gear,spur
CAGE
02387

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 57A17B179 NSN 3020-00-640-4759

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:
92.5
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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