National Item Identification Number
01-183-2261
011832261
4820-01-183-2261
4820-01-183-2261
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)
09990
PARKER HANNIFIN CORPORATION
DBA HYDRAULIC VALVE DIV DIV
520 TERNES LN
ELYRIA
OH
44035
440-366-1291
Reference Numbers (Part Numbers)
644XB-1-12-28
644XB-1-12-28
Required Categories
MATERIAL
FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE
VALVE OPERATION METHO
Required Description
STEEL BODY
STEEL FLOW CONTROL DEVICE
RUBBER SEAT
POPPET
3600.0 POUNDS PER SQ
