NSN 4820-00-288-6887 R6181ATLH, 00-288-6887, 002886887
Product Details | SAFETY RELIEF VALVE
4820-00-288-6887 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: R6181ATLH, 4820-00-288-6887, 00-288-6887, 4820002886887, 002886887
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 00-288-6887 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-288-6887
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Technical Data | NSN 4820-00-288-6887
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE STEEL CORROSION RESISTING SEAT STEEL CORROSION RESISTING STEM |
| STYLE DESIGNATOR | C1A ANGLE FLANGED ENDS |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 10.375 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 4.750 INCHES |
| VALVE SIZE | 2.000 INCHES |
| FLOW CONTROL DEVICE | POPPET |
| MAXIMUM OPERATING PRESSURE | 670.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 750.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE DISCHARGE FLOW RATE | 11400.0 POUNDS PER HOUR |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | FLANGE 1ST END FLANGE 2ND END |
| FLANGE SHAPE | ROUND WITH HOLES 1ST END ROUND WITH HOLES 2ND END |
| NOMINAL OUTSIDE DIAMETER | 6.500 INCHES 1ST END 3.750 INCHES 2ND END |
| NOMINAL THICKNESS | 1.000 INCHES 1ST END 0.562 INCHES 2ND END |
| BOLT HOLE QUANTITY | 8 1ST END 4 2ND END |
| BOLT HOLE NOMINAL DIAMETER | 0.688 INCHES 1ST END 0.562 INCHES 2ND END |
| BOLT CIRCLE NOMINAL DIAMETER | 5.000 INCHES 1ST END 2.625 INCHES 2ND END |
| FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END RAISED STRAIGHT 2ND END |
| RAISED FACE NOMINAL HEIGHT | 0.250 INCHES 1ST END 0.250 INCHES 2ND END |
| RAISED FACE NOMINAL DIAMETER | 3.625 INCHES 1ST END 1.375 INCHES 2ND END |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | LEFT HAND VALVE |
| MANUFACTURERS CODE | 38056 |
| DESIGN CONTROL REFERENCE | R6181ATLH |
Restrictions/Controls & Freight Information | NSN 4820-00-288-6887
| 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 |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||