51-20-39

View detailed technical data, stock status, and sourcing information for: 51-20-39
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-157-1958

Item Name Code

28458

Assigment Date

06/30/1983 (43 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.

5340-01-157-1958, vent plug

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
51-20-39	Vent Plug

FAQs

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

What is the FSCG of the NSN 5340-01-157-1958?

The FSCG of the NSN 5340-01-157-1958 is 5340

Does the NSN 5340-01-157-1958 have a Schedule B code assigned?

Yes, the Schedule B code is 8421990080

Does NSN 5340-01-157-1958 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 5340-01-157-1958 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-157-1958 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 5340-01-157-1958 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Thu, Jun 30, 1983