| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-595-0301 (015950301) |
| NCB Code | USA (01) |
| Manufacturer | Mactaggart Scott And Company Ltd, Ministry Of Defence Future |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | Material | STEEL BODY |
| MEDA | Media For Which Designed | OIL, HYDRAULIC SINGLE RESPONSE |
| AQLR | Valve Operation Method | AUTOMATIC |
| AWLS | Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| STYL | Style Designator | SCREW-IN CARTRIDGE |
| CXCY | Part Name Assigned By Controlling Agency | PILOT OPERATED BALANCED PISTON RELIEF VALVE N.C. |
| CQGM | Maximum Operating Pressure | 5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| FEAT | Special Features | NORMALLY CLOSED VALVE, PILOT RATIO 1:1; CARTRIDGE STYLE VALVE WITH HEX SIZE 1-5/8 INCH |
| ADQU | Flow Control Device | PISTON |
| MRC | Decoded Requirement | Clear Text Reply |
| CQCY | Adjustable Pressure Range | +100.0 TO 3000.0 POUNDS PER SQUARE INCH |
| Relevant Components for NSN - 4820-01-595-0301, 4820015950301 | ||||
| 4810-00-232-7931 (4810002327931) | 4820-01-366-9950 (4820013669950) | 4820-01-579-2872 (4820015792872) | 4820-01-306-2612 (4820013062612) | |
| 4820-01-191-4176 (4820011914176) | 4820-00-177-6070 (4820001776070) | 4820-01-656-5359 (4820016565359) | 4820-01-158-7545 (4820011587545) | |
| 4820-01-514-2982 (4820015142982) | 4820-01-459-7043 (4820014597043) | 4810-01-146-4599 (4810011464599) | 4820-01-182-0842 (4820011820842) | |
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