NSN 4820-00-482-5681 41W206, 00-482-5681, 004825681
Product Details | SAFETY RELIEF VALVE
4820-00-482-5681 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.
Part Alternates: 41W206, 4820-00-482-5681, 00-482-5681, 4820004825681, 004825681
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 FEB 1971 | 00-482-5681 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-482-5681
Cross Reference | NSN 4820-00-482-5681
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 41W206 | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV |
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Technical Data | NSN 4820-00-482-5681
| Characteristic | Specifications |
|---|---|
| MATERIAL | IRON CAST BODY COPPER ALLOY FLOW CONTROL DEVICE COPPER ALLOY SEAT STEEL STEM |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE STEAM 2ND RESPONSE |
| MAXIMUM OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH 1ST RESPONSE 250.0 POUNDS PER SQUARE INCH 2ND RESPONSE |
| MAXIMUM OPERATING TEMP | 406.0 DEG FAHRENHEIT 1ST RESPONSE 406.0 DEG FAHRENHEIT 2ND RESPONSE |
| VALVE DISCHARGE FLOW RATE | 14235.0 CUBIC FEET PER MINUTE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | FLANGE 1ST END THREADED INTERNAL PIPE 2ND END |
| CONNECTION STYLE | G9 PLAIN 2ND END |
| FLANGE SHAPE | ROUND WITH HOLES 1ST END |
| NOMINAL OUTSIDE DIAMETER | 8.250 INCHES 1ST END |
| NOMINAL THICKNESS | 1.250 INCHES 1ST END |
| BOLT HOLE QUANTITY | 8 1ST END |
| BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES 1ST END |
| BOLT CIRCLE NOMINAL DIAMETER | 6.625 INCHES 1ST END |
| FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END |
| RAISED FACE NOMINAL HEIGHT | 0.063 INCHES 1ST END |
| RAISED FACE NOMINAL DIAMETER | 5.687 INCHES 1ST END |
| NOMINAL PIPE SIZE ACCOMMODATED | 4.000 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | NPT 2ND END |
| NOMINAL THREAD SIZE | 4.000 INCHES 2ND END |
| THREAD QUANTITY PER INCH | 8 2ND END |
| THREAD DIRECTION | RIGHT-HAND 2ND END |
| RENEWABLE SEAT RING TYPE | THREADED |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE |
| MANUFACTURERS CODE | 75954 |
| DESIGN CONTROL REFERENCE | 41W206 |
Restrictions/Controls & Freight Information | NSN 4820-00-482-5681
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||