5340-01-187-8415

Find complete technical information, availability, and procurement data for: 5340-01-187-8415
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-187-8415

Item Name Code

24328

Assigment Date

08/26/1984 (41 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.

0.0950 inches nominal first step length, 0.3300 inches nominal first step diameter, 0.4990 inches nominal counterbore diameter, 0.5950 inches nominal overall height, 0.9230 inches nominal second step diameter

Product Characteristics

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

Counterbore Diameter: 0.4990 inches nominal
Overall Height: 0.5950 inches nominal
First Step Diameter: 0.3300 inches nominal
First Step Length: 0.0950 inches nominal
Second Step Diameter: 0.9230 inches nominal
Bore Diameter: 0.2500 inches nominal
Design Type: solid
End Diameter: 0.3100 inches nominal
Distance From End To First Step: 0.3750 inches nominal
Counterbore Length: 0.0720 inches nominal
Special Features: seat chamfer 45 degree by 0.072 inches angle on 0.9230 inches diameter surface
Material: aluminum alloy
Style Designator: seat
Fsc Application Data: aircraft hydraulic systems

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
L5875054-003	Helical Compression Spring Seat

FAQs

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

What is the FSCG of the NSN 5340-01-187-8415?

The FSCG of the NSN 5340-01-187-8415 is 5340

Does NSN 5340-01-187-8415 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 5340-01-187-8415 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-187-8415 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 5340-01-187-8415 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Sun, Aug 26, 1984