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Gear Cluster NSN 3020-01-307-9071

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 3020-01-307-9071 NSN: 3020-01-307-9071

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Features and Characteristics

Spline Quantity
23 both ends
End Application
F-15 acft
Bore Style
Involute spline both ends
Design Type
Spur all gears
Spline Pitch Diameter
0.7188 inches both ends
Construction
Solid
Hardness Rating
30.0 rockwell c and 35.0 rockwell c
Outside Diameter
4.897 inches first gear
Nominallength
0.950 inches
Hub Length
0.190 inches between first and second gear
Bore Diameter
0.622 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
1.600 inches between first and second gear
Precision Classification
Quality number 8 all gears
Special Features
1st gear data: 40 teeth; pressure angle 20.0000; pitch dia. 4.6875; diametral pitch 8.5333; 2nd gear data: 20 teeth; pressure angle 20.0000; pitch dia. 2.0000; diametral pitch 10; involulte spline data: pressure angle 30.0000; pitch 32/64; 6 lightening holes 1.000 dia.
Material
Steel comp 4130 or steel comp 4140
Material Specification
Astm-a322 assn standard 1st material response or astm-a331 assn standard 2nd material response
Surface Treatment
Phosphate
Surface Treatment Specification
Mil-std-171 military specification single treatment response
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
013079071
NSN
3020013079071

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
10029040
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 3020-01-307-9071
What are the manufacturers of nsn 3020013079071?
Does this nsn 3020013079071 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020013079071
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 3020013079071 contain any precious metals?
No precious metal content.
Does nsn 3020013079071 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020013079071?
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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