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Gear Cluster NSN 3020-00-769-0172

Item Description

A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see gearshaft (as modified). Excludes gear subassembly, speed decreaser.

NSN 3020-00-769-0172 NSN: 3020-00-769-0172

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Features and Characteristics

Spline Quantity
33 second end
Attachment Method
Mounting hole
Bore Style
Involute spline first end
Design Type
Spur second gear
Spline Pitch Diameter
2.7500 inches first end
Construction
Assembled
Outside Diameter
4.415 inches second gear
Nominallength
5.250 inches
Hub Length
2.0620 inches first end
Bore Diameter
2.680 inches first end
Counterbore Depth
0.938 inches second end
Counterbore Diameter
2.682 inches second end
Hub Style Designator
Plain second end
Hub Diameter
4.250 inches between first and second gear
Special Features
Groove in bore first end 0.312 in., 2.875 in.Dia
Material
Copper alloy
Material Specification
Mil-b-16522, class 1 military specification single material response
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
007690172
NSN
3020007690172

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1884933
Cage Code:
03956
Status:
A
MSDS:
Part Number:
30359311
Cage Code:
72314
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 3020-00-769-0172
What are the manufacturers of nsn 3020007690172?
Does this nsn 3020007690172 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020007690172
A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. it may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. it is designed to mount on a shaft. for items consisting of a shaft with an integral complement(s) or gear teeth, see gearshaft (as modified). excludes gear subassembly, speed decreaser.
Does nsn 3020007690172 contain any precious metals?
Precious metal content is unknown.
Does nsn 3020007690172 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020007690172?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
36636
FIIG:
A270A0
App. Key:
A
Cond. Code:
1
Status:
A

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