| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-021-2967 (000212967) |
| NCB Code | USA (00) |
| Manufacturer | Navair And Navsea Managed, Circor Aerospace Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 280.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN (TUBE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL TUBE ALL ENDS |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CQGM | MAXIMUM OPERATING PRESSURE | 5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.746 INCHES ALL ENDS |
| MATT | MATERIAL | ALUMINUM ALLOY BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/3,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | AMMONIA,GASEOUS 2ND RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | CARBON DIOXIDE 3RD RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | ETHYLENE GLYCOL 4TH RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER,FRESH 5TH RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| Components Related to NSN - 4820-00-021-2967, 4820000212967 | ||||
| 4810-01-379-3588 (4810013793588) | 4810-00-763-4834 (4810007634834) | 4820-01-524-6893 (4820015246893) | 4820-01-237-2801 (4820012372801) | |
| 4820-01-103-6880 (4820011036880) | 4820-01-312-1011 (4820013121011) | 4810-01-509-0551 (4810015090551) | 4820-01-345-9229 (4820013459229) | |
| 4810-01-376-2787 (4810013762787) | 4820-01-241-5464 (4820012415464) | 4810-01-386-3270 (4810013863270) | 4820-01-312-5840 (4820013125840) | |
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