| Item Name | Valve Regulating Fluid Pressure |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-234-6121 (002346121) |
| NCB Code | USA (00) |
| Manufacturer | Circor Instrumentation Technologies, Tescom Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABFF | FURNISHED ITEMS | INLET PRESSURE GAGE AND OUTLET PRESSURE GAGE |
| ACKL | MEDIA FOR WHICH DESIGNED | NITROGEN,GASEOUS |
| ACSH | SEAT MATERIAL | RUBBER COMPOUND 7806-70 FSCM 81168 |
| ADQU | FLOW CONTROL DEVICE | DIAPHRAGM |
| ADQV | FLOW CONTROL DEVICE MATERIAL | RUBBER,SYNTHETIC |
| ADQZ | END CONNECTION QUANTITY | 2 |
| AEVN | REGULATION TYPE | MANUAL SINGLE STAGE |
| AEVR | VALVE LOADING METHOD | SPRING |
| AEVZ | MAXIMUM INLET PRESSURE RATING | 2265.0 POUNDS PER SQUARE INCH |
| AEWF | FILTER | NOT INCLUDED |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Relevant Components for NSN - 4820-00-234-6121, 4820002346121 | ||||
| 4820-01-560-5759 (4820015605759) | 4820-01-298-9351 (4820012989351) | 4820-01-545-4087 (4820015454087) | 4810-01-325-4666 (4810013254666) | |
| 4820-01-374-3466 (4820013743466) | 4810-01-453-8173 (4810014538173) | 4810-01-547-8647 (4810015478647) | 4820-01-453-6024 (4820014536024) | |
| 4820-01-510-0543 (4820015100543) | 4810-01-606-7570 (4810016067570) | 4820-01-071-1428 (4820010711428) | 4820-01-232-8464 (4820012328464) | |
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