NSN 4820-01-071-4666
Part Details | PRESSURE AND TEMPERATURE RELIEF VALVE
4820-01-071-4666 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: 20280AD41SS, 20280AD41SSL1, 4820-01-071-4666, 01-071-4666, 4820010714666, 010714666
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | FEB 08, 1979 | 01-071-4666 | 16996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE ) |
REFERENCE DRAWINGS & PICTURES
ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
RAISED
ROUND W/ BOLT HOLES
RAISED
ROUND W/ BOLT HOLES
RAISED
ROUND W/ BOLT HOLES
RAISED
ROUND W/ BOLT HOLES
Cross Reference | NSN 4820-01-071-4666
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 20280AD41SS | 01343 | ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY |
| 20280AD41SSL1 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
Technical Data | NSN 4820-01-071-4666
| Characteristic | Specifications |
|---|---|
| BODY STYLE | ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 3.500 INCHES NOMINAL |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 3.750 INCHES NOMINAL |
| BODY MATERIAL | STEEL, ASTM A216, GRADE WCB |
| FLOW CONTROL DEVICE | L ANY ACCEPTABLE |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | PLAIN FACE FLANGE |
| FIRST END STYLE DESIGNATOR | RAISED |
| FIRST END RAISED FACE HEIGHT | 0.370 INCHES NOMINAL |
| FIRST END RAISED FACE DIAMETER | 2.120 INCHES NOMINAL |
| FIRST END FLANGE SHAPE STYLE | ROUND W/ BOLT HOLES |
| FIRST END FLANGE OUTSIDE DIAMETER | 4.880 INCHES NOMINAL |
| FIRST END FLANGE THICKNESS | 0.690 INCHES NOMINAL |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| MEDIA FOR WHICH DESIGNED | WATER, FRESH |
| TEMP RATING | 250.0 DEG FAHRENHEIT |
| VALVE DISCHARGE FLOW RATE | 89.0 GALLONS PER MINUTE |
| ADJUSTABLE PRESSURE RANGE | +1201.0 TO +1500.0 POUNDS PER SQUARE INCH |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 |
| CRITICALITY CODE JUSTIFICATION | ZZZY |