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Gear Cluster NSN 3020-00-020-3949

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 3020-00-020-3949 NSN: 3020-00-020-3949

Features and Characteristics

Bore Style
Plain both ends
Design Type
Spur second gear
Construction
Assembled
Outside Diameter
0.750 inches first gear
Nominallength
0.250 inches
Hub Length
0.0220 inches second end
Bore Diameter
0.125 inches both ends
Hub Style Designator
Plain second end
Hub Diameter
0.187 inches second end
Material
Steel comp 302 first gear
Surface Treatment
Passivate second gear
Furnished Items And Quantity
1 lubricant impregnated bearing
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
000203949
NSN
3020000203949

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3157-323
Cage Code:
90073
Status:
A
MSDS:
Part Number:
157-323
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 3020-00-020-3949
What are the manufacturers of nsn 3020000203949?
Does this nsn 3020000203949 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020000203949
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 3020000203949 contain any precious metals?
Precious metal content is unknown.
Does nsn 3020000203949 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020000203949?
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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  •   Certificate of Conformance
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