| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-071-3823 (010713823) |
| NCB Code | USA (01) |
| Manufacturer | Lockheed Martin Corporation, Sonfarrel Aerospace Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | DIAPHRAGM |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 20.0 DEG CELSIUS 1ST RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 70.0 DEG CELSIUS 2ND RESPONSE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CQCY | ADJUSTABLE PRESSURE RANGE | 0.5 TO 1.5 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 5.3 POUNDS PER SQUARE INCH 2ND RESPONSE |
| CQGM | MAXIMUM OPERATING PRESSURE | 6.2 POUNDS PER SQUARE INCH 1ST RESPONSE |
| CSDC | OPENING PRESSURE SETTING | 0.5 POUNDS PER SQUARE INCH |
| MEDA | MEDIA FOR WHICH DESIGNED | NITROGEN,GASEOUS SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | SAFETY RELIEF |
| Relevant Components for NSN - 4820-01-071-3823, 4820010713823 | ||||
| 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) | |
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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