NSN 4820-01-317-6865
Part Details | PRESSURE AND TEMPERATURE RELIEF VALVE
4820-01-317-6865 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: 2183559, 4820-01-317-6865, 01-317-6865, 4820013176865, 013176865
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | APR 04, 1990 | 01-317-6865 | 16996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE ) |
REFERENCE DRAWINGS & PICTURES
FLARED
FLARED
FLARED
FLARED
Cross Reference | NSN 4820-01-317-6865
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2183559 | 77445 | UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS |
Technical Data | NSN 4820-01-317-6865
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | STEEL, AMS 5354 |
| SEAT MATERIAL | STEEL, AMS 5354 |
| FLOW CONTROL DEVICE | T ANY ACCEPTABLE |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| FIRST END STYLE DESIGNATOR | FLARED |
| FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES NOMINAL |
| FIRST END THREAD CLASS | 3A |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| FIRST END SEAT ANGLE IN DEG | 37.0 |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| MEDIA FOR WHICH DESIGNED | AIR |
| SPECIAL FEATURES | ADDITIONAL FLOW CONTROL DEVICE: SPRING; THIS ITEM SUPERSEDES P/N 538563; CONSISTS OF: HOUSING P/N 2181683; PISTON,P/N 2181690; SEAL RING,P/N 2181696; SEAT,P/N 2183561; 2 SCREWS,P/N 490160; SPRING-COMPRES- SION; SEAT,HELICAL COMPRESSION SPRING,P/N 2181695; WASHER-KEY,P/N 458024;VALVE DISK,P/N 2181691 |
| END ITEM IDENTIFICATION | TF30-P103,P107,P109 ENGINES/ACFT,TYPE F-111/T.O. 6J15-20-3-3 |