9521 51 T0 70PS

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-192-3477

Item Name Code

05488

Assigment Date

10/19/1984 (41 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

4820-01-192-3477, safety relief valve

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-142-7820	No Name Available	08/01/2008

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
09521-51 TO 70PSI	Safety Relief Valve
87-CS-165 51T70	Safety Relief Valve
9521 51 T0 70PS	Safety Relief Valve
9521-51T70PSI	Safety Relief Valve
D42S-51T70-8-12	Safety Relief Valve
D42S-8-12-00	Safety Relief Valve
D42UU-04 1/2X3/4	Safety Relief Valve
D42UU-51T70-1/2X3/4	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-192-3477?

The FSCG of the NSN 4820-01-192-3477 is 4820

Does the NSN 4820-01-192-3477 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-192-3477 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 4820-01-192-3477 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-192-3477 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 4820-01-192-3477 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Oct 19, 1984