5340-01-343-4341

Find complete technical information, availability, and procurement data for: 5340-01-343-4341
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-343-4341

Assigment Date

08/13/1991 (34 years ago)

A tubular shaped item designed to maintain a predetermined distance between optical elements, such as lenses, reticles, and the like. The bore may be straight, tapered or counterbored, and may have annular serrations to converge or diverge light rays. The surfaces, which mate with the optics, are usually chamfered, concave, and/or have a specified finish designation in the range of 1 to 125 microinches arithmetical average (aa). See also spacer, sleeve and cell, optical element.

5340-01-343-4341, no name available

FAQs

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

What is the FSCG of the NSN 5340-01-343-4341?

The FSCG of the NSN 5340-01-343-4341 is 5340

Does NSN 5340-01-343-4341 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 5340-01-343-4341 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-343-4341 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 5340-01-343-4341 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Tue, Aug 13, 1991