National Item Identification Number
01-057-4137
010574137
4820-01-057-4137
4820-01-057-4137
National Stock Number
Item Name
VALVE,SAFETY RELIEF
Federal Supply Class
4820
Description
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.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
77475ITEM25
78051 500-5000PSIG
78051-3
78051-31
Required Categories
MATERIAL
STYLE DESIGNATOR
FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE
VAL
Required Description
STEEL CORROSION RESISTING OVERALL
C1 ANGLE
POPPET
5000.0 POUNDS PER SQUARE IN