3040-00-640-4881

Find complete technical information, availability, and procurement data for: 3040-00-640-4881
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-640-4881

Item Name Code

13743

Assigment Date

01/01/1961 (65 years ago)

0.500 inches nominal outside diameter, 0.281 inches nominal thickness, 1 securing hole quantity, single hole unc screw thread series designator and location, 0.2500 inches nominal bore diameter

Product Characteristics

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

Outside Diameter: 0.500 inches nominal
Thickness: 0.281 inches nominal
Bore Diameter: 0.2500 inches nominal
Securing Hole Quantity: 1
Screw Thread Series Designator And Location: single hole unc
Securing Hole Type And Location: threaded single hole
Nominal Thread Size And Location: unable to decode
Material: steel
Style Designator: plain round
Furnished Items And Quantity: 1 setscrew

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3040-00-326-5191	No Name Available	07/11/1966
3040-00-542-4018	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
9000585	Shaft Collar
AK5148-2	Shaft Collar
G221306-4	Shaft Collar

FAQs

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

What is the FSCG of the NSN 3040-00-640-4881?

The FSCG of the NSN 3040-00-640-4881 is 3040

Does NSN 3040-00-640-4881 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 3040-00-640-4881 contain precious materials?

Precious metal content is unknown

Does NSN 3040-00-640-4881 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 3040-00-640-4881 was assigned to the Federal Catalog?

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