5340-01-343-3039

Find complete technical information, availability, and procurement data for: 5340-01-343-3039
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-343-3039

Item Name Code

40268

Assigment Date

08/09/1991 (35 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.

0.187 inches nominal height, 0.245 inches minimum and 0.246 inches maximum width, 0.433 inches minimum and 0.434 inches maximum length, 0.106 inches nominal hole diameter, locknut furnished items

Product Characteristics

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

Hole Diameter: 0.106 inches nominal
Furnished Items: locknut
Width: 0.245 inches minimum and 0.246 inches maximum
Length: 0.433 inches minimum and 0.434 inches maximum
Height: 0.187 inches nominal
Material: steel comp 303
Material Document And Classification: qq-s-764 fed spec single material response
Surface Treatment: passivate
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response

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
312373	Synchro Clamp

FAQs

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

What is the FSCG of the NSN 5340-01-343-3039?

The FSCG of the NSN 5340-01-343-3039 is 5340

Does the NSN 5340-01-343-3039 have a Schedule B code assigned?

Yes, the Schedule B code is 8205700090

Does NSN 5340-01-343-3039 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 5340-01-343-3039 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-343-3039 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 5340-01-343-3039 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, Aug 9, 1991