NSN 4820-01-253-6686
Part Details | PRESSURE AND TEMPERATURE RELIEF VALVE
4820-01-253-6686 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: PRV250B135, PRV250B-135, NRV250B135B, NRV250B-135B, 8431394, 4820-01-253-6686, 01-253-6686, 4820012536686, 012536686
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | APR 23, 1987 | 01-253-6686 | 16996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
PLAIN
PLAIN
PLAIN
PLAIN
Cross Reference | NSN 4820-01-253-6686
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| PRV250B-135 | 86120 | MARMON GROUP INC THE |
| NRV250B-135B | 06023 | REGO COA MARMON GROUP CO |
| 8431394 | 98752 | WARNER ROBINS AIR LOGISTICS CENTER |
Technical Data | NSN 4820-01-253-6686
| Characteristic | Specifications |
|---|---|
| BODY STYLE | 7 STRAIGHT THRU |
| BODY MATERIAL | BRASS, QQ-B-626, ALLOY 360, 1/2H |
| FLOW CONTROL DEVICE | G ANY ACCEPTABLE |
| END CONNECTION QUANTITY | 1 |
| FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE |
| FIRST END STYLE DESIGNATOR | PLAIN |
| FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| VALVE DISCHARGE FLOW RATE | 50.0 CUBIC FEET PER MINUTE |
| SPECIAL FEATURES | USED ON P/N 8431400;DIM O/A LG 2.250 IN MAX; O/A W 0.875 IN;STORAGE TEMP RANGE C MINUS 10.0 TO POS C85.0 AIM-9 MSL |