NSN 4820-01-493-7731

Part Details | SAFETY RELIEF VALVE

4820-01-493-7731 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: 11.1099.009, 11.1099, 11.1099.009, 11.1099, 4820-01-493-7731, 01-493-7731, 4820014937731, 014937731

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 17, 200201-493-773105488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

ANGLE

Cross Reference | NSN 4820-01-493-7731
Part Number Cage Code Manufacturer
11.1099.00901343ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY
11.109901343ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY
11.1099.00915187PENTAIR VALVES & CONTROLS US LPDBA NAVY PRODUCT TEAM
11.109915187PENTAIR VALVES & CONTROLS US LPDBA NAVY PRODUCT TEAM
Technical Data | NSN 4820-01-493-7731
Characteristic Specifications
STYLE DESIGNATOR ANGLE
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
BONNET TYPE INSIDE SCREW
BONNET ATTACHMENT METHOD PRESSURE SEAL, RING TYPE
DISK LOADING METHOD SPRING
FURNISHED ITEMS AND QUANTITY1 LEVER AND 1 LOCKING DEVICE
SPECIAL FEATURESTHIS VALVE IS NOT FOR SEAWATER APPLICATIONS. BOTH UNION END CONNECTIONS:OUTLET THREADS 1.062-12 UN-3A, INLET THREADS NOT GIVEN ON DWG. FOR NUCLEAR APPLICATIONS SEE 4820-01-451-7717.
SPECIAL TEST FEATURESHI SHOCK APPROVAL BY EXTENSION SUPSHIP GROTON, CT LTR SER 230E/5248 DATED OCT 9 1996
END ITEM IDENTIFICATIONW/S LA CLASS SSN (688)
PART NAME ASSIGNED BY CONTROLLING AGENCYMODEL NO 83S44-4/SPL; SET PRESSURE: 20-4000 PSIG; MIL-V-24322 GRADE A; SERVICE: LIQUID RELIEF; CONN: 1/2 IN UNION