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Gear Cluster NSN 3020-00-379-7657

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 3020-00-379-7657 NSN: 3020-00-379-7657

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Features and Characteristics

Spline Quantity
6 second end
Bore Style
Straight spline both ends
Design Type
Spur second gear
Construction
Solid
Hardness Rating
26.0 rockwell c and 30.0 rockwell c
Outside Diameter
5.624 inches fourth gear
Nominallength
2.480 inches
Hub Length
0.0760 inches first end
Hub Style Designator
Plain first end
Hub Diameter
2.250 inches first end
Material
Steel comp 4140
Material Specification
66 federal standard single material response and aisi/sae 4140 assn standard single material response
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
003797657
NSN
3020003797657

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
193433PC2
Cage Code:
10001
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 3020-00-379-7657
What are the manufacturers of nsn 3020003797657?
Does this nsn 3020003797657 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020003797657
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 3020003797657 contain any precious metals?
No precious metal content.
Does nsn 3020003797657 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020003797657?
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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