NSN 4820-01-226-8425
Part Details | PRESSURE AND TEMPERATURE RELIEF VALVE
4820-01-226-8425 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: 3A0126, 3A012-6, A02HS1326, A02HS132-6, 4820-01-226-8425, 01-226-8425, 4820012268425, 012268425
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | FEB 24, 1986 | 01-226-8425 | 16996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE ) |
REFERENCE DRAWINGS & PICTURES
TEE GIVE "ADQL" AND "ADQM" ONLY WHEN FLANGED ALL ENDS
GASKET SEAL
GASKET SEAL
GASKET SEAL
GASKET SEAL
Cross Reference | NSN 4820-01-226-8425
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3A012-6 | 98391 | ARKWIN INDUSTRIES, INC. |
| A02HS132-6 | 77272 | THE BOEING COMPANYDBA BOEING |
Technical Data | NSN 4820-01-226-8425
| Characteristic | Specifications |
|---|---|
| BODY STYLE | 2 TEE GIVE "ADQL" AND "ADQM" ONLY WHEN FLANGED ALL ENDS |
| CENTER TO CENTER DISTANCE | 0.900 INCHES NOMINAL |
| BODY MATERIAL | ALUMINUM ALLOY |
| OUTSIDE SURFACE TREATMENT | ANODIZED, MIL-A-8625 |
| SEAT MATERIAL | STEEL, FED STD 66, AISI 416/SAE 51416 |
| FLOW CONTROL DEVICE | ANY ACCEPTABLE |
| FLOW CONTROL DEVICE MATERIAL | STEEL, AISI 440C |
| END CONNECTION QUANTITY | 3 |
| FIRST END CONNECTION TYPE | THREADED INTERNAL TUBE |
| FIRST END STYLE DESIGNATOR | GASKET SEAL |
| FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES NOMINAL |
| FIRST END THREAD CLASS | 3B |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| FIRST END SEAT ANGLE IN DEG | 45.0 |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| THIRD END RELATIONSHIP WITH PRECEDING ENDS | IDENTICAL WITH FIRST END |
| TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE |
| VALVE DISCHARGE FLOW RATE | 1.2 GALLONS PER MINUTE |
| TEMP CONTROL DEVICE TYPE | FUSIBLE |