1/2-30 SM-12-SS

View detailed technical data, stock status, and sourcing information for: 1/2-30 SM-12-SS
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-375-7619

Item Name Code

28139

Assigment Date

05/20/1993 (33 years ago)

An item of varying shape and size consisting of a metallic body which incloses a nonreusable metallic or nonmetallic disk(s), which is designed and calibrated to burst at a given pressure. It may be used independently, or in conjunction with relief valves to relieve overpressure, and to protect relief valve(s) from corrosive conditions. Excludes:valve, safety relief and plug, fusible. For items furnished with a disk, see head and disk, safety, pressure relier.

4820-01-375-7619, pressure relief safety head

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
1/2-30 SM-12-SS	Pressure Relief Safety Head
1426AS134-1	Pressure Relief Safety Head

FAQs

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

What is the FSCG of the NSN 4820-01-375-7619?

The FSCG of the NSN 4820-01-375-7619 is 4820

Does the NSN 4820-01-375-7619 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-375-7619 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 4820-01-375-7619 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-375-7619 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 4820-01-375-7619 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Thu, May 20, 1993