| 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 | Davey Compressor Co, Drs Environmental Systems Inc, 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 |
| Components Related to NSN - 4820-00-789-0616, 4820007890616 | ||||
| 4820-01-581-0691 (4820015810691) | 4820-01-690-9757 (4820016909757) | 4810-01-273-7409 (4810012737409) | 4820-01-270-2569 (4820012702569) | |
| 4820-01-156-4780 (4820011564780) | 4820-01-067-2617 (4820010672617) | 4820-01-229-4195 (4820012294195) | 4810-01-669-3030 (4810016693030) | |
| 4820-01-445-7577 (4820014457577) | 4820-00-442-3835 (4820004423835) | 4820-01-252-7931 (4820012527931) | 4820-01-308-4318 (4820013084318) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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