538108

View detailed technical data, stock status, and sourcing information for: 538108
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-884-9989

Item Name Code

24328

Assigment Date

01/01/1962 (64 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.

0.2400 inches minimum and 0.2600 inches maximum bore diameter, solid design type, 30.0 rockwell c minimum and 38.0 rockwell c maximum material hardness rating, 0.1200 inches nominal overall height, 0.4930 inches minimum and 0.4940 inches maximum first step diameter

Product Characteristics

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

Overall Height: 0.1200 inches nominal
First Step Diameter: 0.4930 inches minimum and 0.4940 inches maximum
Bore Diameter: 0.2400 inches minimum and 0.2600 inches maximum
Material Hardness Rating: 30.0 rockwell c minimum and 38.0 rockwell c maximum
Design Type: solid
End Diameter: 0.3500 inches minimum and 0.3700 inches maximum
Distance From End To First Step: 0.0800 inches minimum and 0.0900 inches maximum
Special Features: not casehardened
Material: steel comp 416se
Material Document And Classification: ams 5610 assn std single material response
Style Designator: seat
Fsc Application Data: propeller,aircraft,variable pitch

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
538108	Helical Compression Spring Seat

FAQs

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

What is the FSCG of the NSN 5340-00-884-9989?

The FSCG of the NSN 5340-00-884-9989 is 5340

Does NSN 5340-00-884-9989 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 5340-00-884-9989 contain precious materials?

Precious metal content is unknown

Does NSN 5340-00-884-9989 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 5340-00-884-9989 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962