| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-720-0840 (007200840) |
| NCB Code | USA (00) |
| Manufacturer | Honeywell International Inc, Ge Aviation Systems Ltd, Bahr Machine Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | DISK |
| AECS | BOLT HOLE QUANTITY | 6 1ST END |
| AECS | BOLT HOLE QUANTITY | 8 2ND END |
| AEHZ | MAXIMUM OPERATING TEMP | 670.0 DEG FAHRENHEIT SINGLE RESPONSE |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES 1ST END |
| ARKN | FLANGE SHAPE | ROUND WITH HOLES 2ND END |
| AWLS | CONNECTION TYPE | FLANGE 1ST END |
| AWLS | CONNECTION TYPE | FLANGE 2ND END |
| CQGM | MAXIMUM OPERATING PRESSURE | 205.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CWCD | NOMINAL OUTSIDE DIAMETER | 3.880 INCHES 1ST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 4.070 INCHES 2ND END |
| CWCF | FACE TO FACE DISTANCE | 1.500 INCHES |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.255 INCHES 2ND END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.356 INCHES 1ST END |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 3.350 INCHES 2ND END |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 3.500 INCHES 1ST END |
| CWDF | FLANGE FACE DESIGN | PLAIN 1ST END |
| CWDF | FLANGE FACE DESIGN | PLAIN 2ND END |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| Relevant Components for NSN - 4820-00-720-0840, 4820007200840 | ||||
| 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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