5340-00-071-5971

Find complete technical information, availability, and procurement data for: 5340-00-071-5971
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-071-5971

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.

0.0350 inches nominal first step length, 0.8140 inches minimum and 0.8200 inches maximum counterbore diameter, 0.1500 inches minimum and 0.1700 inches maximum overall height, 1.1800 inches minimum and 1.1850 inches maximum first step diameter, 0.3670 inches minimum and 0.3730 inches maximum bore 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: 0.8140 inches minimum and 0.8200 inches maximum
Overall Height: 0.1500 inches minimum and 0.1700 inches maximum
First Step Diameter: 1.1800 inches minimum and 1.1850 inches maximum
First Step Length: 0.0350 inches nominal
Bore Diameter: 0.3670 inches minimum and 0.3730 inches maximum
Material Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Second End Diameter: 0.8570 inches minimum and 0.8630 inches maximum
End Diameter: 0.8650 inches minimum and 0.8850 inches maximum
Distance From End To First Step: 0.0550 inches minimum and 0.0650 inches maximum
Counterbore Length: 0.0650 inches nominal
Material: steel
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
20A74020	Helical Compression Spring Seat

FAQs

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

What is the FSCG of the NSN 5340-00-071-5971?

The FSCG of the NSN 5340-00-071-5971 is 5340

Does NSN 5340-00-071-5971 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 5340-00-071-5971 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-00-071-5971 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 5340-00-071-5971 was assigned to the Federal Catalog?

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