5340-00-140-5278

Find complete technical information, availability, and procurement data for: 5340-00-140-5278
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-140-5278

Item Name Code

24328

Assigment Date

09/12/1971 (54 years ago)

A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore, designed to accommodate the end of the spring. It is used to position the spring but does not encase the spring or restrain lateral motion. It may be used in conjunction with a retainer,helical compression spring. Excludes:washer (as modified), seat,ball socket, and holder,spring. See also rotor,engine poppet valve.

ams 4117 assn std single material response material document and classification, 49.5 rockwell c nominal material hardness rating, 0.5950 inches minimum and 0.6100 inches maximum spherical seat top radius, solid design type, aluminum alloy 6061 material

Product Characteristics

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

Material Hardness Rating: 49.5 rockwell c nominal
Design Type: solid
Spherical Seat Top Radius: 0.5950 inches minimum and 0.6100 inches maximum
Material: aluminum alloy 6061
Material Document And Classification: ams 4117 assn std single material response
Surface Treatment: anodize
Surface Treatment Document And Classification: hs334type 1 fscm 73030 mfr ref single treatment response
Fsc Application Data: aircraft environmental system

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
748962-1	Helical Compression Spring Seat

FAQs

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

What is the FSCG of the NSN 5340-00-140-5278?

The FSCG of the NSN 5340-00-140-5278 is 5340

Does NSN 5340-00-140-5278 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 5340-00-140-5278 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-00-140-5278 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-00-140-5278 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sun, Sep 12, 1971