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| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-789-0616 (007890616) |
| NCB Code | USA (00) |
| Manufacturer | Drs Environmental Systems Inc, Davey Compressor Co, Anderson Greenwood Lp |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 173.0 CUBIC FEET PER MINUTE |
| AECS | BOLT HOLE QUANTITY | 6 1ST END |
| AEHZ | MAXIMUM OPERATING TEMP | 400.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AKGF | NOMINAL WIDTH | 2.156 INCHES 1ST END |
| AKGG | NOMINAL LENGTH | 2.938 INCHES 1ST END |
| ARKN | FLANGE SHAPE | OVAL WITH HOLES 1ST END |
| AWLS | CONNECTION TYPE | FLANGE 1ST END |
| CSDC | OPENING PRESSURE SETTING | 140.0 POUNDS PER SQUARE INCH |
| CWCK | NOMINAL THICKNESS | 0.312 INCHES 1ST END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.344 INCHES 1ST END |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 2.500 INCHES 1ST END |
| CWDF | FLANGE FACE DESIGN | PLAIN 1ST END |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CQGM | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| Relevant Components for NSN - 4820-00-789-0616, 4820007890616 | ||||
| 4810-01-693-0546 (4810016930546) | 4810-01-224-8636 (4810012248636) | 4810-00-181-8826 (4810001818826) | 4810-00-533-2538 (4810005332538) | |
| 4820-01-319-3454 (4820013193454) | 4820-01-154-9733 (4820011549733) | 4810-01-176-9496 (4810011769496) | 4820-01-278-5449 (4820012785449) | |
| 4810-01-152-7681 (4810011527681) | 4810-00-127-2787 (4810001272787) | 4820-00-557-7800 (4820005577800) | 4810-01-469-1460 (4810014691460) | |
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