NSN 4820-00-864-8544

Part Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-00-864-8544 A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.

Alternate Parts: 12Y9041, 12Y904-1, 4820-00-864-8544, 00-864-8544, 4820008648544, 008648544

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48OCT 13, 196700-864-854416996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-00-864-8544
Part Number Cage Code Manufacturer
12Y904-181755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 4820-00-864-8544
Characteristic Specifications
BODY MATERIAL ALUMINUM ALLOY
OUTSIDE SURFACE TREATMENT ANODIZED
FLOW CONTROL DEVICEW ANY ACCEPTABLE
TEMP ADJUSTABILITY ADJUSTABLE
MEDIA FOR WHICH DESIGNED AIR