National Item Identification Number
00-289-4389
002894389
4820-00-289-4389
4820-00-289-4389
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
72352
CURTISS-WRIGHT CORPORATION
DBA FARRIS ENGINEERING DIV DIVISION
10195 BRECKSVILLE RD
BRECKSVILLE
OH
44141
440-546-4303
Reference Numbers (Part Numbers)
HL11251PC27
633-2-8
633XB-2-8-2
633XB-2-8-2
633XB2-8-2
Required Categories
MATERIAL
STYLE DESIGNATOR
FLOW CONTROL DEVICE
MEDIA FOR WHICH DESIGNED
MAXIM
Required Description
COPPER ALLOY BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
COPPER ALLOY S