National Item Identification Number
01-439-5021
014395021
4820-01-439-5021
4820-01-439-5021
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)
24123
GAST MFG CORP
2300 HWY M 139
97
BENTON HARBOR
MI
49022
269-926-6171
Reference Numbers (Part Numbers)
AF720A
Required Categories
VALVE OPERATION METHOD
SPECIAL FEATURES
Required Description
AUTOMATIC
MUST NOT EXCEED 200 CC LEAKAGE AT 55/60 PSIG
BALL SEATED AT 600 PSI