F02-2121

View detailed technical data, stock status, and sourcing information for: F02-2121
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-430-9823

Item Name Code

04456

Assigment Date

01/01/1961 (65 years ago)

1.250 inches nominal overall length, 0.312 inches nominal keyway width, 3.740 inches nominal outside diameter, keying facility furnished items, 0.312-18 thread size

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Furnished Items: keying facility
Outside Diameter: 3.740 inches nominal
Overall Length: 1.250 inches nominal
Keyway Width: 0.312 inches nominal
Thread Size: 0.312-18
Bore Diameter: 1.250 inches nominal
Bore Length: 1.250 inches nominal
Distance From Center Of Bore To Bottom Of Keyway: 0.781 inches nominal
Pitch Diameter: 3.371 inches nominal
Securing Hole Quantity: 2
Furnished Items And Quantity: setscrew
Hub Outside Diameter: 2.500 inches nominal aa end
Face Width: 0.459 inches nominal
Design Form: plain
Bore Type: straight
Distance From Hub End To Flange End: 0.781 inches nominal aa end
Hole Location: centered 0.344 in. from end of hub 90 degs apart,one on top of keyway
Keying Facility Type: keyway
Securing Method: threaded hole
Protruding Hub Characteristic: plain
Teeth Row Quantity: 1
Teeth Quantity Per Row: 14
Asa Standard Chain Number: 60
Hardness Rating Test Method: not rated
Tooth Pitch: 0.750 inches nominal
Material: steel
Quantity: 1
Style Designator: plain

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3825-00-629-1758	No Name Available	01/01/1963

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
F02-2121	Sprocket Wheel

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3020-00-430-9823?

The FSCG of the NSN 3020-00-430-9823 is 3020

Does the NSN 3020-00-430-9823 have a Schedule B code assigned?

Yes, the Schedule B code is 8483901000

Does NSN 3020-00-430-9823 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3020-00-430-9823 contain precious materials?

Precious metal content is unknown

Does NSN 3020-00-430-9823 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 3020-00-430-9823 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961