NSN 4820-01-256-8744

Part Details | SAFETY RELIEF VALVE

4820-01-256-8744 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.

Alternate Parts: UU1551T, UU-1551-T, 9955.K 5IM,TYPE, D8414050, D841-4050, UU1551TCP, UU-1551-TCP, D8414050CP, D841-4050CP, UU1551T, UU-1551-T, 4820-01-256-8744, 01-256-8744, 4820012568744, 012568744

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUN 09, 198701-256-874405488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

ANGLE

Cross Reference | NSN 4820-01-256-8744
Part Number Cage Code Manufacturer
UU-1551-T01343ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY
9955.K 5IM,TYPE96101GAS EQUIPMENT ENGINEERINGCORPORATION, THE
D841-405096101GAS EQUIPMENT ENGINEERINGCORPORATION, THE
UU-1551-TCP03950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
D841-4050CP03950NAVAL INVENTORY CONTROL POINTMECHANICSBURG
UU-1551-T15187PENTAIR VALVES & CONTROLS US LPDBA NAVY PRODUCT TEAM
Technical Data | NSN 4820-01-256-8744
Characteristic Specifications
STYLE DESIGNATOR ANGLE
FLOW CONTROL DEVICE DISK
VALVE DISCHARGE FLOW RATE128.0 CUBIC FEET PER MINUTE
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING80.0 POUNDS PER SQUARE INCH
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
CRITICALITY CODE JUSTIFICATIONZZZY