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Gear Cluster NSN 3020-00-020-3951

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 3020-00-020-3951 NSN: 3020-00-020-3951

Features and Characteristics

Bore Style
W/counterbore first counterbore first end
Design Type
Spur second gear
Construction
Assembled
Outside Diameter
0.375 inches second gear
Nominallength
0.125 inches
Hub Length
0.016 inches first end
Bore Diameter
0.1250 inches both ends
Counterbore Depth
0.0312 inches first end
Counterbore Diameter
0.1875 inches first end
Hub Style Designator
Plain first end
Hub Diameter
0.2640 inches first end
Material
Steel comp 302 first gear
Surface Treatment
Passivate
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
000203951
NSN
3020000203951

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3157-335
Cage Code:
90073
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 3020-00-020-3951
What are the manufacturers of nsn 3020000203951?
Does this nsn 3020000203951 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020000203951
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 3020000203951 contain any precious metals?
Precious metal content is unknown.
Does nsn 3020000203951 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020000203951?
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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