| 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 | ||||
| 4820-01-373-8958 (4820013738958) | 4820-01-129-8013 (4820011298013) | 4820-01-440-6910 (4820014406910) | 4810-01-523-9395 (4810015239395) | |
| 4810-01-541-8177 (4810015418177) | 4810-01-480-3370 (4810014803370) | 4820-01-190-5941 (4820011905941) | 4820-01-130-0014 (4820011300014) | |
| 4820-01-365-6951 (4820013656951) | 4820-01-414-5558 (4820014145558) | 4820-01-319-9150 (4820013199150) | 4820-00-488-8376 (4820004888376) | |
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