| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-607-6410 (016076410) |
| NCB Code | USA (01) |
| Manufacturer | National Instruments Corporation, Derbyshire Machine And Tool Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| AHNC | CONNECTION STYLE | PLAIN (SCREW-IN CARTRIDGE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| CMLP | THREAD QUANTITY PER INCH | 12 ALL ENDS |
| CQJX | NOMINAL THREAD SIZE | 0.188 INCHES ALL ENDS |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | 1/4 INCH INLINE CHECK VALVE INLINE UNION END 4500 PSI |
| MATT | MATERIAL | RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM SEAT |
| MATT | MATERIAL | STEEL COMP 304 BODY LINING |
| MATT | MATERIAL | STEEL COMP 316 BODY |
| MATT | MATERIAL | STEEL COMP 316 FLOW CONTROL DEVICE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | UN ALL ENDS |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS. |
| Relevant Components for NSN - 4820-01-607-6410, 4820016076410 | ||||
| 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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