CB57-42105PC1

View detailed technical data, stock status, and sourcing information for: CB57-42105PC1
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-602-2511

Item Name Code

04456

Assigment Date

01/22/1975 (51 years ago)

0.880 inches nominal overall length, 0.250-24 thread size, 0.188 inches nominal keyway width, keying facility furnished items, 3.135 inches nominal outside diameter

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: 3.135 inches nominal
Overall Length: 0.880 inches nominal
Keyway Width: 0.188 inches nominal
Thread Size: 0.250-24
Bore Diameter: 0.750 inches nominal
Bore Length: 0.880 inches nominal
Distance From Center Of Bore To Bottom Of Keyway: 0.450 inches nominal
Pitch Diameter: 2.879 inches nominal
Securing Hole Quantity: 2
Hub Outside Diameter: 2.380 inches nominal aa end
Face Width: 0.284 inches nominal
Design Form: plain
Bore Type: straight
Distance From Hub End To Flange End: 0.142 inches nominal aa end
Hole Location: on hub face
Keying Facility Type: keyway
Securing Method: threaded hole
Protruding Hub Characteristic: plain
Teeth Row Quantity: 1
Teeth Quantity Per Row: 18
Asa Standard Chain Number: 40
Hardness Rating Test Method: not rated
Tooth Pitch: 0.500 inches nominal
Material: steel
Quantity: 1
Surface Treatment: zinc
Style Designator: plain

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
CB57-42105PC1	Sprocket Wheel
CB57-42112-1	Sprocket Wheel

FAQs

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

What is the FSCG of the NSN 3020-00-602-2511?

The FSCG of the NSN 3020-00-602-2511 is 3020

Does the NSN 3020-00-602-2511 have a Schedule B code assigned?

Yes, the Schedule B code is 8483901000

Does NSN 3020-00-602-2511 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 3020-00-602-2511 contain precious materials?

Precious metal content is unknown

Does NSN 3020-00-602-2511 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 3020-00-602-2511 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Wed, Jan 22, 1975