5340-00-291-0371

Find complete technical information, availability, and procurement data for: 5340-00-291-0371
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-291-0371

Item Name Code

11251

Assigment Date

01/01/1963 (63 years ago)

An item, usually made of metal, having a finished cap with spring tension prongs on the underside, or spring wire fitted into the sides of the walls. When inserted in punched or drilled holes in metal sheets or tubes, the expanding action of the prongs or spring wire holds the item securely in place. It is specifically designed to close a hole; to cover a hole through which passes a shaft, cable, or the like; or to provide a perforated cover for a vent or breather hole. Excludes:fastener, spring tension, trim.

0.438 inches nominal head outside diameter, 0.312 inches nominal hole accommodation diameter, 0.219 inches nominal overall height, 0.020 inches minimum and 0.062 inches maximum material accommodated thickness, 0.062 inches nominal head height

Product Characteristics

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

Head Height: 0.062 inches nominal
Overall Height: 0.219 inches nominal
Head Outside Diameter: 0.438 inches nominal
Material Accommodated Thickness: 0.020 inches minimum and 0.062 inches maximum
Hole Accommodation Diameter: 0.312 inches nominal
Prong Outside Diameter: 0.328 inches nominal
Prong Quantity: 6
Material: copper alloy
Surface Treatment: enamel
Style Designator: standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5340-00-817-5874	No Name Available	01/01/1962

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
4990045-1	Plug Button
540536-607	Plug Button
74288-5	Plug Button
BS51034	Plug Button
D2730	Plug Button

FAQs

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

What is the FSCG of the NSN 5340-00-291-0371?

The FSCG of the NSN 5340-00-291-0371 is 5340

Does NSN 5340-00-291-0371 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 5340-00-291-0371 contain precious materials?

Precious metal content is unknown

Does NSN 5340-00-291-0371 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 5340-00-291-0371 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963