| Item Name | Valve Regulating Fluid Pressure |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-516-3990 (015163990) |
| NCB Code | USA (01) |
| Manufacturer | Siemens Industry Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ACKL | MEDIA FOR WHICH DESIGNED | AIR |
| ADQU | FLOW CONTROL DEVICE | DIAPHRAGM |
| ADQV | FLOW CONTROL DEVICE MATERIAL | RUBBER, SYNTHETIC |
| ADQZ | END CONNECTION QUANTITY | 4 |
| ADZJ | MOUNTING FACILITY | BRACKET |
| AEVN | REGULATION TYPE | AUTOMATIC DOUBLE STAGE |
| AEVR | VALVE LOADING METHOD | SPRING |
| AEVZ | MAXIMUM INLET PRESSURE RATING | 80.0 POUNDS PER SQUARE INCH |
| AGAV | END ITEM IDENTIFICATION | MAIN ENGINE LO CONTROLS 5-250-0-E NO.3 MN ENG RM |
| AZKQ | TEMP RATING | -40.0 DEG FAHRENHEIT MINIMUM AND 180.0 DEG FAHRENHEIT MAXIMUM |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | MODEL 661 AMPLIFYING RELAY WITH BIAS |
| FEAT | SPECIAL FEATURES | INLET CONNECTIONS ARE 1/8 INCH - NPT; OUTLET CONNECTIONS ARE 1/4 INCH - NPT |
| Relevant Components for NSN - 4820-01-516-3990, 4820015163990 | ||||
| 4820-00-405-2314 (4820004052314) | 4820-01-644-7717 (4820016447717) | 4820-00-138-5801 (4820001385801) | 4820-01-478-3615 (4820014783615) | |
| 4810-01-231-9665 (4810012319665) | 4810-01-463-1795 (4810014631795) | 4820-01-270-4213 (4820012704213) | 4820-01-482-5390 (4820014825390) | |
| 4810-01-574-6488 (4810015746488) | 4820-01-375-3688 (4820013753688) | 4810-01-486-6370 (4810014866370) | 4820-01-562-8058 (4820015628058) | |
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