4820-00-673-1788

Find complete technical information, availability, and procurement data for: 4820-00-673-1788
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-673-1788

Item Name Code

77777

Assigment Date

01/01/1963 (63 years ago)

A ported item with or without external threads. The port(s) may contain a filtering disk or wire fabric. It is designed to be inserted into an opening in a cylinder, pump, regulator, valve, housing, casing, or the like, to permit the free flow of fluid from or to the atmosphere. Excludes:breather.

steel,303,0.500 in. squar,0.625 in. height general characteristics item description

Product Characteristics

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

General Characteristics Item Description: steel,303,0.500 in. squar,0.625 in. height

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
3-956-3	Piston Poppet

FAQs

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

What is the FSCG of the NSN 4820-00-673-1788?

The FSCG of the NSN 4820-00-673-1788 is 4820

Does the NSN 4820-00-673-1788 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-673-1788 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 4820-00-673-1788 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-673-1788 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-00-673-1788 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963