5340-00-057-3090

Find complete technical information, availability, and procurement data for: 5340-00-057-3090
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-057-3090

Item Name Code

29785

Assigment Date

05/22/1968 (58 years ago)

A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see door, access (as modified). Excludes:all covers not specifically designed to provide access for the purposes listed above.

3.375 inches nominal outside diameter, 0.047 inches nominal flange thickness, circular recess cross-sectional shape style, round, one hole peripheral shape style, 2.266 inches nominal inside diameter

Product Characteristics

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

Cross-Sectional Shape Style: circular recess
Inside Diameter: 2.266 inches nominal
Flange Thickness: 0.047 inches nominal
Outside Diameter: 3.375 inches nominal
Peripheral Shape Style: round, one hole
First Recess Inside Height: 0.188 inches nominal
Second Recess Inside Height: 0.500 inches nominal
Inside Corner Radius: 0.094 inches nominal
Body Thickness: 0.047 inches nominal
First Recess Diameter: 3.297 inches nominal
Outside Corner Radius: 0.094 inches nominal
Body Outside Radius: 0.094 inches nominal
Securing Device Type: threaded fastener
Mounting Opening Shape Style: threaded hole
Bolt Hole Centerline To Nearest Edge Distance: 1.687 inches nominal
Material: steel
Surface Treatment: enamel

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
8M0178	Access Cover
8M178	Access Cover

FAQs

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

What is the FSCG of the NSN 5340-00-057-3090?

The FSCG of the NSN 5340-00-057-3090 is 5340

Does the NSN 5340-00-057-3090 have a Schedule B code assigned?

Yes, the Schedule B code is 7326908695

Does NSN 5340-00-057-3090 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 5340-00-057-3090 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-00-057-3090 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 5340-00-057-3090 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, May 22, 1968