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Spur Gear NSN 3020-00-057-2740

Item Description

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.

NSN 3020-00-057-2740 NSN: 3020-00-057-2740

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Features and Characteristics

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
Between 1.4990 inches and 1.5000 inches
Teeth Quantity
72
Mounting Hole Thread Series Designator
Unc transversely through hub, first end
Mounting Hole Thready Qty Per Inch (tpi)
40 transversely through hub, first end
Mounting Hole Type And Quantity
1 threaded transversely through hub, first end
Outside Diameter
1.541 inches
Nominallength
1.090 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Face Width
0.095 inches
Bore Diameter
0.187 inches both ends
Hub Diameter
0.380 inches second end
Precision Classification
Quality number 10 or quality number 11
First Step Length
0.134 inches first end
First Step Diameter
0.880 inches first end
Special Features
0.375 in.-32 by 0.425 in. Lg thd and 0.05 by 0.02 in. Deep groove on first end hub diameter
Material
Aluminum alloy 6061
Material Specification
Qq-a-225/8, t6 federal specification single material response
Style Designator
Protruding hubs
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
000572740
NSN
3020000572740

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1226234
Cage Code:
10001
Status:
A
MSDS:
Part Number:
41-761
Cage Code:
56232
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8483409000
  • NAICS: 333612
  • SITC: 74840
  • Description: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3020-00-057-2740
What are the manufacturers of nsn 3020000572740?
Does this nsn 3020000572740 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020000572740
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.
Does nsn 3020000572740 contain any precious metals?
No precious metal content.
Does nsn 3020000572740 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020000572740?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05466
FIIG:
A27300
App. Key:
AH
Cond. Code:
1
Status:
A

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