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| Item Name | Valve Relief Pressure And Temper |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-185-9439 (011859439) |
| NCB Code | USA (01) |
| Manufacturer | Droitcour Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | STRAIGHT THRU |
| ABJH | TEMP RATING | 600.0 DEG FAHRENHEIT |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL BOSS |
| ACKN | FIRST END STYLE DESIGNATOR | GASKET SEAL |
| ACLK | FIRST END THREAD CLASS | 3B |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ADQU | FLOW CONTROL DEVICE | PISTON,SPRING LOADED |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ADRN | FIRST END THREAD PITCH DIAMETERS | 1.2584 TO 1.2659 INCHES |
| ADSW | ADJUSTABLE PRESSURE RANGE | 1400.0 TO 1800.0 POUNDS PER SQUARE INCH |
| ADSY | VALVE DISCHARGE FLOW RATE | 12.0 GALLONS PER MINUTE |
| AEVX | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| AFKX | TEMP CONTROL DEVICE TYPE | THERMOSTATIC |
| CQMM | FIRST END THREAD SERIES DESIGNATOR | UNS |
| CQYM | FIRST END NOMINAL THREAD SIZE | 1.3125 INCHES |
| MATT | MATERIAL | STEEL BODY |
| Relevant Components for NSN - 4820-01-185-9439, 4820011859439 | ||||
| 4820-01-128-4547 (4820011284547) | 4820-01-468-9087 (4820014689087) | 4810-00-160-8722 (4810001608722) | 4820-01-527-0138 (4820015270138) | |
| 4820-00-203-1137 (4820002031137) | 4820-01-668-8270 (4820016688270) | 4820-01-299-0406 (4820012990406) | 4820-01-514-1786 (4820015141786) | |
| 4820-01-628-5867 (4820016285867) | 4820-01-254-1275 (4820012541275) | 4820-01-431-7438 (4820014317438) | 4820-01-198-8608 (4820011988608) | |
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