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Gear Cluster NSN 3020-00-741-4255

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 3020-00-741-4255 NSN: 3020-00-741-4255

Features and Characteristics

Bore Style
W/counterbore first end
Design Type
Spur all gears
Construction
Solid
Hardness Rating
58.0 rockwell c and 63.0 rockwell c
Outside Diameter
5.885 inches first gear
Nominallength
3.531 inches
Hub Length
1.469 inches between first and second gear
Bore Diameter
2.125 inches both ends
Counterbore Depth
0.562 inches first counterbore first end
Counterbore Diameter
3.250 inches first counterbore first end
Hub Style Designator
Plain second end
Hub Diameter
3.875 inches first end
Special Features
Counterbore splined, involute, 24 teeth
Material
Steel comp 8620h or steel comp 8720h
Material Specification
Sae8620h assn standard 1st material response or sae8720h assn standard 2nd material response
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
007414255
NSN
3020007414255

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
M307549
Cage Code:
61465
Status:
A
MSDS:
Part Number:
K23102
Cage Code:
61038
Status:
A
MSDS:
Part Number:
7414255
Cage Code:
19207
Status:
A
MSDS:
Part Number:
KC2789
Cage Code:
56442
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 3020-00-741-4255
What are the manufacturers of nsn 3020007414255?
Does this nsn 3020007414255 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020007414255
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 3020007414255 contain any precious metals?
No precious metal content.
Does nsn 3020007414255 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020007414255?
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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