NSN 4820-01-500-2453
Part Details | PRESSURE AND TEMPERATURE RELIEF VALVE
4820-01-500-2453 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: 577T4D1, 924092, 4820-01-500-2453, 01-500-2453, 4820015002453, 015002453
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | AUG 19, 2002 | 01-500-2453 | 16996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE ) |
REFERENCE DRAWINGS & PICTURES
FLARED
FLARED
FLARED
FLARED
Cross Reference | NSN 4820-01-500-2453
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 577T4D1 | 91816 | CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS |
| 924092 | 34228 | L3 TECHNOLOGIES, INC.DBA L3 KEO |
Technical Data | NSN 4820-01-500-2453
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | STEEL, FED STD 66, AISI 303/SAE 30303 |
| FLOW CONTROL DEVICE | W ANY ACCEPTABLE |
| FIRST END STYLE DESIGNATOR | FLARED |
| TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| MEDIA FOR WHICH DESIGNED | ANY ACCEPTABLE |
| TEMP RATING | 400.0 DEG FAHRENHEIT AND -100.0 DEG FAHRENHEIT |
| OPENING PRESSURE SETTING | 1.0 POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | GOES ON PHOTONIC MAST. ADJUSTABLE CRACKING PRESSURE FACTORY PRE-SET @ 1PSI DESIGNED TO VENT TO ATOMOSPHERE. POLYTETRAFLUOROETHYLENE SEAL MATERIAL. END CONNECTION IS 1/4IN MALE STRAIGHT THREAD AS4395 (MS33656 WITH CONE POINT REMOVED- INLET ONLY). BURST DEFLECTION CAP NOT RECOMMENDED FOR CRACKING PRESSURES BELOW 2PSI. |
| END ITEM IDENTIFICATION | LOS ANGELES CLASS SSN |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | 500 SERIES ADJUSTABLE POPOFF & INLINE RELIEF VALVE |