20A74014

View detailed technical data, stock status, and sourcing information for: 20A74014
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-071-5905

Item Name Code

24328

Assigment Date

07/18/1967 (59 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.

30.0 chamfer angle in deg, 0.3880 inches nominal first step diameter, 0.2670 inches nominal overall height, 0.2810 inches nominal counterbore diameter, 60.0 countersink angle in deg

Product Characteristics

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

Countersink Angle In Deg: 60.0
Chamfer Angle In Deg: 30.0
Counterbore Diameter: 0.2810 inches nominal
Overall Height: 0.2670 inches nominal
First Step Diameter: 0.3880 inches nominal
First Step Length: 0.0500 inches nominal
Second Step Diameter: 0.5000 inches nominal
Bore Diameter: 0.1170 inches nominal
Countersink Diameter: 0.3050 inches nominal
End Diameter: 0.3300 inches nominal
Distance From End To First Step: 0.1770 inches nominal
Counterbore Length: 0.1300 inches nominal
Material: steel corrosion resisting
Style Designator: seat
Fsc Application Data: fuel control,engine,aircraft

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
20A74014	Helical Compression Spring Seat

FAQs

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

What is the FSCG of the NSN 5340-00-071-5905?

The FSCG of the NSN 5340-00-071-5905 is 5340

Does NSN 5340-00-071-5905 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 5340-00-071-5905 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-00-071-5905 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 5340-00-071-5905 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, Jul 18, 1967