A4/1153/675.3

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-278-6723

Item Name Code

05488

Assigment Date

05/07/1988 (38 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.

4820-01-278-6723, safety relief valve

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
1153/1418	Safety Relief Valve
1153/675.3	Safety Relief Valve
A/049/033/54 ITEM 31	Safety Relief Valve
A/049/033/54/31	Safety Relief Valve
A4/1153/1418	Safety Relief Valve
A4/1153/675.3	Safety Relief Valve
M2340-821010	Safety Relief Valve
NSAB KXV BT	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-278-6723?

The FSCG of the NSN 4820-01-278-6723 is 4820

Does the NSN 4820-01-278-6723 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-278-6723 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 4820-01-278-6723 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-278-6723 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 4820-01-278-6723 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, May 7, 1988