| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-228-3223 (002283223) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation, Nuclear Products Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 2ND END |
| AAJD | THREAD CLASS | 2A 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 2ND END |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| AHNC | CONNECTION STYLE | FLARELESS 1ST END |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 2ND END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CQGM | MAXIMUM OPERATING PRESSURE | 1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES 2ND END |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END |
| CQRB | SEAT ANGLE | 12.5 DEGREES 1ST END |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | NPT 2ND END |
| THSD | THREAD SERIES DESIGNATOR | UNF 1ST END |
| TMQY | FURNISHED ITEMS AND QUANTITY | 1 NUT |
| Relevant Components for NSN - 4820-00-228-3223, 4820002283223 | ||||
| 4820-01-251-8295 (4820012518295) | 4820-01-606-5732 (4820016065732) | 4820-01-504-6136 (4820015046136) | 4820-01-345-7050 (4820013457050) | |
| 4810-01-373-6377 (4810013736377) | 4810-01-079-4456 (4810010794456) | 4820-01-280-4146 (4820012804146) | 4820-01-651-8515 (4820016518515) | |
| 4820-01-688-1777 (4820016881777) | 4820-01-439-5575 (4820014395575) | 4820-01-228-6731 (4820012286731) | 4820-01-645-8483 (4820016458483) | |
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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