AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-219-6522 (012196522) |
| NCB Code | USA (01) |
| Manufacturer | Hunt Valve Company Inc, Dante Valve Company Inc, Danco Valve Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | INSIDE SCREW |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | SOCKET WITH BRAZING RING ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CQCY | ADJUSTABLE PRESSURE RANGE | 33.0 TO 40.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MATT | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE |
| MATT | MATERIAL | NICKEL ALLOY SEAT |
| MATT | MATERIAL | STEEL CORROSION RESISTING STEM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | GAS,INERT 2ND RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| Relevant Components for NSN - 4820-01-219-6522, 4820012196522 | ||||
| 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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