NSN 4820-01-148-6940
Part Details | SAFETY RELIEF VALVE
4820-01-148-6940 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: ASTM F1508965CCWWB122, ASTM F1508-965CCWWB122, ASTM F1508, MILV18634, MIL-V-18634, 5013600 FIND 13, 4820-01-148-6940, 01-148-6940, 4820011486940, 011486940
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAR 09, 1983 | 01-148-6940 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
ANGLE
Cross Reference | NSN 4820-01-148-6940
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| ASTM F1508-965CCWWB122 | 81346 | AMERICAN SOCIETY FOR TESTING ANDMATERIALS |
| ASTM F1508 | 81346 | AMERICAN SOCIETY FOR TESTING ANDMATERIALS |
| MIL-V-18634 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| 5013600 FIND 13 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 4820-01-148-6940
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ANGLE |
| FLOW CONTROL DEVICE | DISK |
| VALVE OPERATION METHOD | MANUAL |
| BONNET TYPE | INSIDE SCREW |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 128.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| SPECIAL FEATURES | REDUCING CONNECTOR,0.500 IN. NPTF TO 0.250 IN. NOMINAL FLARE |
| NONDEFINITIVE SPEC/STD DATA | 7 CLASS AND A STYLE AND 2 TYPE |