National Item Identification Number
01-438-9221
014389221
4820-01-438-9221
4820-01-438-9221
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
76301
76301
Reference Numbers (Part Numbers)
RV05-64-140.0
7M304
7M304S2N1400C
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
STEEL COMP 303 BODY
ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE BODY
PASSIVATE