Product Details | SAFETY RELIEF VALVE

4820-01-337-6409 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.

Part Alternates: 1IN 1541E, 1IN1541E, 4820-01-337-6409, 01-337-6409, 4820013376409, 013376409

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 19 APR 1991 01-337-6409

Drawings & Photos | NSN 4820-01-337-6409


Cross Reference | NSN 4820-01-337-6409

Part Number Cage Code Manufacturer
1IN 1541E 16497 DRESSER, INC. DBA DRESSER EQUIPMENT GROUP

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Technical Data | NSN 4820-01-337-6409

Characteristic Specifications
MATERIAL BRONZE BODY
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END THREADED INTERNAL PIPE 2ND END
CONNECTION STYLE G46B PLAIN 1ST END G9 PLAIN 2ND END
THREAD SERIES DESIGNATOR NPT 1ST END NPT 2ND END
NOMINAL THREAD SIZE 1.000 INCHES 1ST END 1.000 INCHES 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END
III END ITEM IDENTIFICATION S.S. AIR SYSTEM ONBOARD 180 FT WLB C.G. VESSELS
MANUFACTURERS CODE 16497
DESIGN CONTROL REFERENCE 1IN 1541E

Restrictions/Controls & Freight Information | NSN 4820-01-337-6409

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information