| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-059-4678 (000594678) |
| NCB Code | USA (00) |
| Manufacturer | Dresser Industries Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 1426DUPLEX | dresser industries inc | valve safety relief | 16497 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ARKN | Flange Shape | ROUND WITH HOLES 1ST END |
| MRC | Decoded Requirement | Clear Text Reply |
| MATT | Material | STEEL BODY |
| CQGM | Maximum Operating Pressure | 550.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| AECS | Bolt Hole Quantity | 8 1ST END |
| AECS | Bolt Hole Quantity | 8 2ND END |
| CWCD | Nominal Outside Diameter | 9.000 INCHES 2ND END |
| ADSY | Valve Discharge Flow Rate | 71616.0 POUNDS PER HOUR |
| CWCQ | Bolt Hole Nominal Diameter | 0.750 INCHES 2ND END |
| CWCD | Nominal Outside Diameter | 13.000 INCHES 1ST END |
| AWLS | Connection Type | FLANGE 2ND END |
| AWLS | Connection Type | FLANGE 1ST END |
| CWDF | Flange Face Design | RAISED STRAIGHT 1ST END |
| CWDF | Flange Face Design | RAISED STRAIGHT 2ND END |
| CWDL | Raised Face Nominal Diameter | 6.188 INCHES 2ND END |
| CWCQ | Bolt Hole Nominal Diameter | 1.125 INCHES 1ST END |
| CWCT | Bolt Circle Nominal Diameter | 10.500 INCHES 1ST END |
| CWDH | Raised Face Nominal Height | 0.062 INCHES 1ST END |
| CWDL | Raised Face Nominal Diameter | 7.312 INCHES 1ST END |
| CWCT | Bolt Circle Nominal Diameter | 7.500 INCHES 2ND END |
| ADST | Bonnet Attachment Method | BOLTED |
| AQLR | Valve Operation Method | AUTOMATIC |
| CWDH | Raised Face Nominal Height | 0.062 INCHES 2ND END |
| ADSU | Disk Loading Method | SPRING |
| FEAT | Special Features | DUPLEX VALVE,TWO SAFETY VALVES MTD IN ONEBODY,1ST CONNECTION FACE TO CENTERLINE DISTANCE9.000 IN.,2ND CONNECTION FACE TO CENTERLINEDISTANCE 6.625 IN. |
| MATT | Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| ARKN | Flange Shape | ROUND WITH HOLES 2ND END |
| STYL | Style Designator | ANGLE |
| ADQU | Flow Control Device | DISK |
| CSDC | Opening Pressure Setting | 525.0 POUNDS PER SQUARE INCH |
| MATT | Material | NICKEL ALLOY SEAT |
| MATT | Material | STEEL STEM |
| ADSR | Bonnet Type | EXPOSED SPRING |
| Relevant Components for NSN - 4820-00-059-4678, 4820000594678 | ||||
| 4820-01-695-0145 (4820016950145) | 4820-01-596-1771 (4820015961771) | 4810-01-187-3363 (4810011873363) | 4810-01-523-6894 (4810015236894) | |
| 4820-00-707-0356 (4820007070356) | 4820-01-568-0815 (4820015680815) | 4820-01-227-9365 (4820012279365) | 4820-01-104-8145 (4820011048145) | |
| 4820-01-299-5713 (4820012995713) | 4820-01-640-9566 (4820016409566) | 4810-01-346-0666 (4810013460666) | 4820-01-655-5932 (4820016555932) | |
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