National Item Identification Number
00-139-0381
001390381
4820-00-139-0381
4820-00-139-0381
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)
82829
Reference Numbers (Part Numbers)
4P138-3
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
STYLE DESIGNATOR
FLOW CONTROL D
Required Description
STEEL COMP 303 BODY
STEEL COMP 303 SEAT
QQ-S-764 FED SPEC SINGLE MATERIAL RESP
