| Item Name | Valve Regulating Fluid Pressure |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-171-9821 (001719821) |
| NCB Code | USA (00) |
| Manufacturer | Victor Equipment Co, Military Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | STRAIGHT THRU |
| ABEP | STEM MATERIAL | BRASS |
| ABFF | FURNISHED ITEMS | AUTOMATIC RELIEF VALVE AND CYLINDER GAGE AND DELIVERY GAGE AND INDICATOR |
| ACKL | MEDIA FOR WHICH DESIGNED | HYDROGEN |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL GAS CYLINDER |
| ACKN | FIRST END STYLE DESIGNATOR | SWIVEL NUT,GAS |
| ACLJ | FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.830-14 NGO |
| ACLL | FIRST END THREAD DIRECTION | LEFT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ACLS | SECOND END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| ACLT | SECOND END STYLE DESIGNATOR | FLARELESS |
| ACMP | SECOND END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.562 INCHES NOMINAL |
| ACMQ | SECOND END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 9/16-18 UNF |
| ACMR | SECOND END THREAD CLASS | 3A |
| ACMS | SECOND END THREAD DIRECTION | LEFT-HAND |
| ACSH | SEAT MATERIAL | BRASS |
| ADQU | FLOW CONTROL DEVICE | DIAPHRAGM |
| ADQV | FLOW CONTROL DEVICE MATERIAL | RUBBER,CHLOROPRENE |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ADRN | FIRST END THREAD PITCH DIAMETERS | 0.7750 TO 0.7786 INCHES |
| AEVN | REGULATION TYPE | MANUAL SINGLE STAGE |
| AEVP | MANUAL CONTROL METHOD | LEVER |
| AEVR | VALVE LOADING METHOD | WEIGHT |
| AEVZ | MAXIMUM INLET PRESSURE RATING | 1600.0 POUNDS PER SQUARE INCH |
| AEWF | FILTER | NOT INCLUDED |
| MATT | MATERIAL | COPPER ALLOY BODY |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND H1 CLASS |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY THE DIAL RANGE |
| Relevant Components for NSN - 4820-00-171-9821, 4820001719821 | ||||
| 4820-01-695-0145 (4820016950145) | 4820-01-596-1771 (4820015961771) | 4810-01-187-3363 (4810011873363) | 4810-01-523-6894 (4810015236894) | |
| 4820-00-707-0356 (4820007070356) | 4820-01-568-0815 (4820015680815) | 4820-01-227-9365 (4820012279365) | 4820-01-104-8145 (4820011048145) | |
| 4820-01-299-5713 (4820012995713) | 4820-01-640-9566 (4820016409566) | 4810-01-346-0666 (4810013460666) | 4820-01-655-5932 (4820016555932) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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