4820-01-145-4838

Find complete technical information, availability, and procurement data for: 4820-01-145-4838
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-145-4838

Item Name Code

77777

Assigment Date

01/12/1983 (43 years ago)

A device actuated by the force of the flow of water passing through it. Designed to remain open to permit a gravity flow, closing when the flow exceeds that of gravity pressure. Used to drain small leakage from fire protection sprinkling systems.

carbon steel,astm a105; 7.500 in.od; 1.453 in.id 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: carbon steel,astm a105; 7.500 in.od; 1.453 in.id

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
803-2177518-08XX-90	Disk Carrier

FAQs

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

What is the FSCG of the NSN 4820-01-145-4838?

The FSCG of the NSN 4820-01-145-4838 is 4820

Does the NSN 4820-01-145-4838 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-145-4838 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 4820-01-145-4838 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-145-4838 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 4820-01-145-4838 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, Jan 12, 1983