| Item Name | Valve Check |
| INC Code | 05487 |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-564-6255 (005646255) |
| NCB Code | USA (00) |
| Manufacturer | Boeing Company The, Hydro Aire Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| AECS | BOLT HOLE QUANTITY | 4 1ST END |
| AKGF | NOMINAL WIDTH | 3.031 INCHES ALL ENDS |
| AKGG | NOMINAL LENGTH | 3.031 INCHES 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ARKN | FLANGE SHAPE | RECTANGULAR WITH HOLES 1ST END |
| AWLS | CONNECTION TYPE | FLANGE 1ST END |
| BBJX | MOUNTING POSITION | HORIZONTAL |
| CWCF | FACE TO FACE DISTANCE | 4.250 INCHES |
| CWCK | NOMINAL THICKNESS | 0.156 INCHES 1ST END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.328 INCHES 1ST END |
| CWCY | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 2.375 INCHES 1ST END |
| CWDC | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 2.031 INCHES 1ST END |
| CWDF | FLANGE FACE DESIGN | PLAIN 1ST END |
| FEAT | SPECIAL FEATURES | TWO MTG HOLES AND TWO OPEN END SLOTTED HOLES PROVIDED FOR BOTH FLANGES.SLOTTED HOLES TO BE LOCATED ON TOP IN MTD POSITION |
| MATT | MATERIAL | ALUMINUM ALLOY BODY |
| MATT | MATERIAL | ALUMINUM ALLOY FLOW CONTROL DEVICE |
| MATT | MATERIAL | ALUMINUM ALLOY SEAT |
| MATT | MATERIAL | STEEL STEM |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| Relevant Components for NSN - 4820-00-564-6255, 4820005646255 | ||||
| 4820-00-835-3873 (4820008353873) | 4820-01-431-2398 (4820014312398) | 4820-01-009-8942 (4820010098942) | 4820-01-273-3653 (4820012733653) | |
| 4820-01-274-9975 (4820012749975) | 4820-01-600-7663 (4820016007663) | 4820-01-338-4276 (4820013384276) | 4820-01-233-6683 (4820012336683) | |
| 4820-01-018-1584 (4820010181584) | 4820-01-322-8071 (4820013228071) | 4820-01-318-2830 (4820013182830) | 4820-01-340-5738 (4820013405738) | |
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