| Item Name | Valve Regulating Fluid Pressure |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-106-4954 (001064954) |
| NCB Code | USA (00) |
| Manufacturer | Matheson Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | STRAIGHT THRU |
| ABEP | STEM MATERIAL | STEEL |
| ABFF | FURNISHED ITEMS | AUTOMATIC RELIEF VALVE AND INLET PRESSURE GAGE AND INTERNAL PILOT VALVE AND NEEDLE VALVE AND OUTLET PRESSURE GAGE |
| ACKL | MEDIA FOR WHICH DESIGNED | HELIUM |
| ACKM | FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| ACLH | FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.625 INCHES NOMINAL |
| ACLJ | FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 7/8-16 UN |
| ACLL | FIRST END THREAD DIRECTION | LEFT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ACLS | SECOND END CONNECTION TYPE | THREADED EXTERNAL PIPE |
| ACLT | SECOND END STYLE DESIGNATOR | PLAIN |
| ACMQ | SECOND END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 1/2-14 NPT |
| ACMS | SECOND END THREAD DIRECTION | RIGHT-HAND |
| ACSH | SEAT MATERIAL | BRASS |
| ADQU | FLOW CONTROL DEVICE | STEM AND INTEGRAL DISK |
| ADQZ | END CONNECTION QUANTITY | 2 |
| AEVA | OUTLET PRESSURE RANGE | 5.0 TO 250.0 POUNDS PER SQUARE INCH |
| AEVN | REGULATION TYPE | 1ST STAGE AUTOMATIC,2ND STAGE MANUAL |
| AEVP | MANUAL CONTROL METHOD | WHEEL |
| AEVQ | VALVE STEM DESIGN | SINGLE SEAT |
| AEVR | VALVE LOADING METHOD | SPRING |
| AEVZ | MAXIMUM INLET PRESSURE RATING | 3000.0 POUNDS PER SQUARE INCH |
| AEWF | FILTER | INCLUDED |
| MATT | MATERIAL | COPPER ALLOY BODY |
| Relevant Components for NSN - 4820-00-106-4954, 4820001064954 | ||||
| 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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