AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-273-9900 (002739900) |
| NCB Code | USA (00) |
| Manufacturer | William Powell Company The, Lunkenheimer Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | DISK |
| AECS | BOLT HOLE QUANTITY | 4 1ST END |
| AEHZ | MAXIMUM OPERATING TEMP | 750.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ARKN | FLANGE SHAPE | ROUND ALL ENDS |
| AWLS | CONNECTION TYPE | FLANGE ALL ENDS |
| BBJX | MOUNTING POSITION | HORIZONTAL |
| CCFG | VALVE SIZE | 3.000 INCHES |
| CQGM | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CWCD | NOMINAL OUTSIDE DIAMETER | 6.125 INCHES ALL ENDS |
| CWCF | FACE TO FACE DISTANCE | 9.500 INCHES |
| CWCK | NOMINAL THICKNESS | 0.812 INCHES ALL ENDS |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.875 INCHES 1ST END |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 4.500 INCHES 1ST END |
| CWDF | FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS |
| CWDH | RAISED FACE NOMINAL HEIGHT | 0.062 INCHES ALL ENDS |
| CWDL | RAISED FACE NOMINAL DIAMETER | 2.875 INCHES ALL ENDS |
| FEAT | SPECIAL FEATURES | SWING CHECK TYPE |
| MATT | MATERIAL | STEEL CORROSION RESISTING SEAT |
| MATT | MATERIAL | STEEL UNS J03002 BODY |
| MATT | MATERIAL | STEEL UNS J03002 FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM 216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| Relevant Components for NSN - 4820-00-273-9900, 4820002739900 | ||||
| 4810-01-693-0546 (4810016930546) | 4810-01-224-8636 (4810012248636) | 4810-00-181-8826 (4810001818826) | 4810-00-533-2538 (4810005332538) | |
| 4820-01-319-3454 (4820013193454) | 4820-01-154-9733 (4820011549733) | 4810-01-176-9496 (4810011769496) | 4820-01-278-5449 (4820012785449) | |
| 4810-01-152-7681 (4810011527681) | 4810-00-127-2787 (4810001272787) | 4820-00-557-7800 (4820005577800) | 4810-01-469-1460 (4810014691460) | |
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