5340-00-490-2051

Find complete technical information, availability, and procurement data for: 5340-00-490-2051
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-490-2051

Item Name Code

24327

Assigment Date

09/19/1969 (56 years ago)

An adjustable item of thin, overlapping opaque plates which are actuated by a ring or other device so as to change the diameter of a central opening, for controlling the intensity of transmitted illumination. It is usually employed to regulate the aperture of a lens in microscopes, and other optical instruments.

not casehardened casehardening indicator, 0.030 inches nominal flange thickness, 0.075 inches nominal body outside diameter, 0.090 inches nominal overall height, 0.150 inches nominal flange diameter

Product Characteristics

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

Casehardening Indicator: not casehardened
Flange Diameter: 0.150 inches nominal
Flange Thickness: 0.030 inches nominal
Overall Height: 0.090 inches nominal
Body Outside Diameter: 0.075 inches nominal
Body Inside Diameter: 0.030 inches nominal
Material: steel
Style Designator: irregular

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:

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311782	Helical Compression Spr Retainer

FAQs

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

What is the FSCG of the NSN 5340-00-490-2051?

The FSCG of the NSN 5340-00-490-2051 is 5340

Does NSN 5340-00-490-2051 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 5340-00-490-2051 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-00-490-2051 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 5340-00-490-2051 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Sep 19, 1969