National Item Identification Number
01-418-4221
014184221
4820-01-418-4221
4820-01-418-4221
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)
91816
91816
99251
Reference Numbers (Part Numbers)
M5159N-2M(L)-140
M5159N2M140ASME
3307811-1
Required Categories
MATERIAL
STYLE DESIGNATOR
MAXIMUM OPERATING PRESSURE
VALVE OPERATION METHOD;
Required Description
COPPER ALLOY BODY
C4 STRAIGHT THRU
1200.0 POUNDS PER SQUARE INCH SINGLE RESPON