| Item Name | Valve Regulating Fluid Pressure |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-525-7837 (005257837) |
| NCB Code | USA (00) |
| Manufacturer | Matheson Co, Raytheon Company, Matheson Gas Products Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | Y ANGLE |
| ABFF | FURNISHED ITEMS | CYLINDER GAGE AND DELIVERY GAGE |
| ACKL | MEDIA FOR WHICH DESIGNED | ARGON AND NITROGEN,GASEOUS |
| ACKM | FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE |
| ACKN | FIRST END STYLE DESIGNATOR | PLAIN |
| ACLJ | FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.250-18 NPTF |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ACLS | SECOND END CONNECTION TYPE | THREADED EXTERNAL GAS CYLINDER |
| ACLT | SECOND END STYLE DESIGNATOR | SWIVEL NUT,FLARED |
| ACMQ | SECOND END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.960-14 NGO |
| ACMS | SECOND END THREAD DIRECTION | RIGHT-HAND |
| ADQU | FLOW CONTROL DEVICE | NEEDLE |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ADRP | SECOND END THREAD PITCH DIAMETERS | 0.9050 TO 0.9109 INCHES |
| AEVA | OUTLET PRESSURE RANGE | 0.0 TO 100.0 POUNDS PER SQUARE INCH |
| AEVN | REGULATION TYPE | AUTOMATIC DOUBLE STAGE |
| AEVR | VALVE LOADING METHOD | SPRING |
| AEVZ | MAXIMUM INLET PRESSURE RATING | 3000.0 POUNDS PER SQUARE INCH |
| AEWF | FILTER | INCLUDED |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Relevant Components for NSN - 4820-00-525-7837, 4820005257837 | ||||
| 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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