NSN 4820-01-135-2457
Part Details | SAFETY RELIEF VALVE
4820-01-135-2457 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
Alternate Parts: NMP1145 SPRING NO 1799, NMP-1145 SPRING NO 1799, NMP1145, NMP-1145, NMP 1145 68 TO 77 PSI, CD SHEET 601 ITEM 1, CD SHEET 601, 46H0209M5 6X6, 46H0-209/M5 6X6, NMP 1145 SPRING NO 1799, NMP 1145, CD SHEET 601 ITEM 1, CD SHEET 601, NMP 1145 68 TO 77 PSI, CD SHEET 601 ITEM 1, 4820-01-135-2457, 01-135-2457, 4820011352457, 011352457
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUL 20, 1982 | 01-135-2457 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
ANGLE
Cross Reference | NSN 4820-01-135-2457
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NMP-1145 SPRING NO 1799 | 01343 | ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY |
| NMP-1145 | 01343 | ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY |
| NMP 1145 68 TO 77 PSI | 01343 | ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY |
| CD SHEET 601 ITEM 1 | 01343 | ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY |
| CD SHEET 601 | 01343 | ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY |
| 46H0-209/M5 6X6 | 75954 | KUNKLE INDUSTRIES INCLONERGAN VALVE DIV |
| NMP 1145 SPRING NO 1799 | 75954 | KUNKLE INDUSTRIES INCLONERGAN VALVE DIV |
| NMP 1145 | 75954 | KUNKLE INDUSTRIES INCLONERGAN VALVE DIV |
| CD SHEET 601 ITEM 1 | 75954 | KUNKLE INDUSTRIES INCLONERGAN VALVE DIV |
| CD SHEET 601 | 75954 | KUNKLE INDUSTRIES INCLONERGAN VALVE DIV |
| NMP 1145 68 TO 77 PSI | 15187 | PENTAIR VALVES & CONTROLS US LPDBA NAVY PRODUCT TEAM |
| CD SHEET 601 ITEM 1 | 15187 | PENTAIR VALVES & CONTROLS US LPDBA NAVY PRODUCT TEAM |
Technical Data | NSN 4820-01-135-2457
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | A ANGLE |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 8.938 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 8.625 INCHES |
| VALVE SIZE | 6.000 INCHES |
| FLOW CONTROL DEVICE | DISK |
| VALVE DISCHARGE FLOW RATE | 1650.0 GALLONS PER MINUTE |
| VALVE OPERATION METHOD | AUTOMATIC |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | UNION |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 75.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 68.0 TO 77.0 POUNDS PER SQUARE INCH |