| Item Name | Valve Calibrated Flow |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-197-6931 (011976931) |
| NCB Code | USA (01) |
| Manufacturer | Bestobell Aviation Product Ltd, Griswold Controls Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | STRAIGHT THRU |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL PIPE |
| ACKN | FIRST END STYLE DESIGNATOR | PLAIN |
| ACLJ | FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 1 1/2-11 1/2 NPT |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ADQL | FACE TO FACE DISTANCE | 9.750 INCHES NOMINAL |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ADSY | VALVE DISCHARGE FLOW RATE | 23.3 GALLONS PER MINUTE AND 100.0 GALLONS PER MINUTE |
| AZKQ | TEMP RATING | 400.0 DEG FAHRENHEIT NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE |
| Components Related to NSN - 4820-01-197-6931, 4820011976931 | ||||
| 4810-01-278-5440 (4810012785440) | 4820-01-192-4196 (4820011924196) | 4820-00-965-8381 (4820009658381) | 4820-01-003-7863 (4820010037863) | |
| 4820-01-216-1156 (4820012161156) | 4820-01-357-3650 (4820013573650) | 4820-01-178-4887 (4820011784887) | 4810-01-057-7341 (4810010577341) | |
| 4820-01-367-9897 (4820013679897) | 4820-01-133-9054 (4820011339054) | 4820-01-383-5396 (4820013835396) | 4820-01-351-5405 (4820013515405) | |
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