3040-00-257-0820

Find complete technical information, availability, and procurement data for: 3040-00-257-0820
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-257-0820

Item Name Code

27781

Assigment Date

03/19/1971 (55 years ago)

0.3906 inches nominal plain hole diameter, 2.7500 inches nominal bore diameter, 0.781 inches nominal thickness, 4.406 inches nominal overall length, 3.562 inches nominal overall width

Product Characteristics

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

Overall Length: 4.406 inches nominal
Overall Width: 3.562 inches nominal
Thickness: 0.781 inches nominal
Bore Diameter: 2.7500 inches nominal
Plain Hole Diameter: 0.3906 inches nominal
Distance From Bore Centerline To End: 2.266 inches nominal
Clamp Securing Hole Style: unthreaded
Material: copper alloy 932
Material Document And Classification: sae ca932 assn std single material response
Style Designator: round sectional w/two extended clamping devices

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
45550-003-31	Hub Clamp

FAQs

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

What is the FSCG of the NSN 3040-00-257-0820?

The FSCG of the NSN 3040-00-257-0820 is 3040

Does NSN 3040-00-257-0820 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 3040-00-257-0820 contain precious materials?

Precious metal content is unknown

Does NSN 3040-00-257-0820 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 3040-00-257-0820 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Mar 19, 1971