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Gear Cluster NSN 3020-00-300-2131

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 3020-00-300-2131 NSN: 3020-00-300-2131

Features and Characteristics

Bore Style
W/counterbore second end
Design Type
Spur second gear
Construction
Solid
Hardness Rating
30.0 rockwell c and 35.0 rockwell c
Outside Diameter
2.591 inches second gear
Nominallength
0.595 inches
Hub Length
0.110 inches between first and second gear
Bore Diameter
1.170 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
2.000 inches first end
Precision Classification
Quality number 9 all gears
Material
Steel comp 4140
Material Specification
Fed standard 66, aisi/sae 4140 assn standard single material response
Surface Treatment
Phosphate
Surface Treatment Specification
Mil-std-171, finish no.5.3.1.2 or 5.3.2.2 military standard single treatment response
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
003002131
NSN
3020003002131

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
117D2160
Cage Code:
05606
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 3020-00-300-2131
What are the manufacturers of nsn 3020003002131?
Does this nsn 3020003002131 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020003002131
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 3020003002131 contain any precious metals?
Precious metal content is unknown.
Does nsn 3020003002131 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020003002131?
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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