| Item Name | Valve Vacuum Breaking |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-442-6144 (014426144) |
| NCB Code | USA (01) |
| Manufacturer | Bidoro Mfg Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQV | Flow Control Device Material | COPPER ALLOY |
| ADQU | Flow Control Device | POPPET |
| ACLR | Second End Relationship With First End | IDENTICAL |
| AGAV | End Item Identification | SHIP,OHIO CLASS SSN(TRIDENT) |
| ACKL | Media For Which Designed | AIR |
| ACSH | Seat Material | RUBBER, BUNA-N |
| MRC | Decoded Requirement | Clear Text Reply |
| ACKN | First End Style Designator | STREANLINED WITH ONE BRAZING RING |
| ACKM | First End Connection Type | UNTHREADED INTERNAL TUBE |
| ACLH | First End Outside Diameter Tube Accommodated | 0.750 INCHES NOMINAL |
| FEAT | Special Features | ANGLE STYLE |
| AAFZ | Body Material | COPPER ALLOY |
| ADQZ | End Connection Quantity | 2 |
| Relevant Components for NSN - 4820-01-442-6144, 4820014426144 | ||||
| 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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