| Item Name | Valve Safety Relief |
| INC Code | 05488 |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-209-2004 (002092004) |
| NCB Code | USA (00) |
| Manufacturer | Dresser Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADSR | BONNET TYPE | INSIDE SPRING |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 30800.0 POUNDS PER HOUR |
| ADZH | RENEWABLE SEAT RING TYPE | THREADED |
| AECS | BOLT HOLE QUANTITY | 4 2ND END |
| AECS | BOLT HOLE QUANTITY | 8 1ST END |
| AEHZ | MAXIMUM OPERATING TEMP | 650.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES 1ST END |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES 2ND END |
| AWLS | CONNECTION TYPE | FLANGE 1ST END |
| AWLS | CONNECTION TYPE | FLANGE 2ND END |
| CBBL | FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE |
| CQCY | ADJUSTABLE PRESSURE RANGE | 460.0 TO 509.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CWCD | NOMINAL OUTSIDE DIAMETER | 6.500 INCHES 1ST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 7.500 INCHES 2ND END |
| CWCK | NOMINAL THICKNESS | 0.688 INCHES 2ND END |
| CWCK | NOMINAL THICKNESS | 1.000 INCHES 1ST END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES 1ST END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES 2ND END |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 5.000 INCHES 1ST END |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 6.000 INCHES 2ND END |
| CWDF | FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END |
| CWDF | FLANGE FACE DESIGN | RAISED STRAIGHT 2ND END |
| CWDH | RAISED FACE NOMINAL HEIGHT | 0.062 INCHES 2ND END |
| CWDH | RAISED FACE NOMINAL HEIGHT | 0.250 INCHES 1ST END |
| CWDL | RAISED FACE NOMINAL DIAMETER | 3.625 INCHES 1ST END |
| CWDL | RAISED FACE NOMINAL DIAMETER | 5.000 INCHES 2ND END |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY ADJUSTABLE PRESSURE RANGE |
| Relevant Components for NSN - 4820-00-209-2004, 4820002092004 | ||||
| 4820-00-835-3873 (4820008353873) | 4820-01-431-2398 (4820014312398) | 4820-01-009-8942 (4820010098942) | 4820-01-273-3653 (4820012733653) | |
| 4820-01-274-9975 (4820012749975) | 4820-01-600-7663 (4820016007663) | 4820-01-338-4276 (4820013384276) | 4820-01-233-6683 (4820012336683) | |
| 4820-01-018-1584 (4820010181584) | 4820-01-322-8071 (4820013228071) | 4820-01-318-2830 (4820013182830) | 4820-01-340-5738 (4820013405738) | |
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AS9120B and ISO 9001:2015 |
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Aviation Suppliers Association Member |
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FAA AC 0056B Accredited |
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AS 6081:2012 Certification |
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ESD S20.20-2014 Certification |
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