Model: 542-5979-002

Spur Gear

Properties:

Body Style
Webbed, offset, solid
Attachment Method
Mounting hole
Pitch Diameter
0.9375 inches
Teeth Quantity
75
Bore Style
Plain both ends
Mounting Hole Thread Series Designator
Unc transversely through hub, first end
Mounting Hole Thready Qty Per Inch (tpi)
56 transversely through hub, first end
Mounting Hole Thread Size
0.086 inches transversely through hub, first end
Mounting Hole Type And Quantity
2 threaded transversely through hub, first end
Outside Diameter
0.962 inches
Nominallength
0.226 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.133 inches first end
Face Width
0.093 inches
Bore Diameter
0.250 inches both ends
Hub Style Designator
Pinned first end
Hub Style Designator
Plain second end
Hub Diameter
0.375 inches second end
Hub Diameter
0.562 inches first end
Precision Classification
Quality number 9
Material
Aluminum alloy 2024
Material Specification
Qq-a-250/4, t3 federal specification single material response
Surface Treatment
Chromate
Surface Treatment Specification
Mil-c-5541 military specification single treatment response
Style Designator
One protruding hub, one flush hub
NSN
3020-00-671-1184
Part Number
542-5979-002
Description
Gear,spur
CAGE

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 542-5979-002 NSN 3020-00-671-1184

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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