| Item Name | Valve Vacuum Breaking |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-492-3303 (014923303) |
| NCB Code | USA (01) |
| Manufacturer | Itt Bell And Gosset Hydronics |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABJH | TEMP RATING | 300.0 DEG FAHRENHEIT |
| ACKL | MEDIA FOR WHICH DESIGNED | STEAM |
| ACKM | FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ADQZ | END CONNECTION QUANTITY | 1 |
| AEVX | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| AFLG | ABSOLUTE PRESSURE SETTING | 12.0 |
| CQMM | FIRST END THREAD SERIES DESIGNATOR | NPT |
| CQYM | FIRST END NOMINAL THREAD SIZE | 0.750 INCHES |
| FEAT | SPECIAL FEATURES | 150 PSIG MAXIMUM WORKING PRESSURE; ADJUSTABLE RANGE 1/4 TO 20 (MERCURY) VACUUM; FACTORY SET TO 4 MERCURY VACUUM |
| Components Related to NSN - 4820-01-492-3303, 4820014923303 | ||||
| 4820-01-168-7617 (4820011687617) | 4820-00-036-1739 (4820000361739) | 4820-01-148-9383 (4820011489383) | 4820-01-416-7529 (4820014167529) | |
| 4810-01-036-3133 (4810010363133) | 4820-01-365-7068 (4820013657068) | 4820-00-475-4247 (4820004754247) | 4820-01-192-5887 (4820011925887) | |
| 4820-01-546-7933 (4820015467933) | 4820-00-366-2438 (4820003662438) | 4820-01-066-6185 (4820010666185) | 4810-00-670-3476 (4810006703476) | |
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