National Item Identification Number
01-011-6156
010116156
4820-01-011-6156
4820-01-011-6156
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)
77445
Reference Numbers (Part Numbers)
639XB2-4-2
6507
6507
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
STYLE DESIGNATOR
FLOW CONTROL D
Required Description
COPPER ALLOY BODY
STEEL COMP 303 FLOW CONTROL DEVICE
RUBBER SYNTHETIC SEAT