| Item Name | Valve Vacuum Breaking |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-577-7122 (015777122) |
| NCB Code | USA (01) |
| Manufacturer | Gaylord Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | Flow Control Device | DISK, TOP GUIDED |
| CQMM | First End Thread Series Designator | NPT |
| AAQL | Body Style | ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS |
| ACLG | First End Nominal Pipe Size Accommodated | 2.000 INCHES |
| AEVX | Temp Adjustability | NOT ADJUSTABLE |
| CXCY | Part Name Assigned By Controlling Agency | VACUUM BREAKER |
| ACLL | First End Thread Direction | RIGHT-HAND |
| FEAT | Special Features | NHA P/N 19-87-8005 VENTILATION CONTROL UNIT; TM 51616-WC-FSE-010 |
| MRC | Decoded Requirement | Clear Text Reply |
| ABJH | Temp Rating | 180.0 DEG FAHRENHEIT |
| ACKM | First End Connection Type | THREADED INTERNAL PIPE |
| ACKN | First End Style Designator | PLAIN |
| ACLR | Second End Relationship With First End | IDENTICAL |
| AAFZ | Body Material | BRASS |
| ADQZ | End Connection Quantity | 2 |
| CQYM | First End Nominal Thread Size | 2.000 INCHES |
| AGAV | End Item Identification | NEW CONSTRUCTION SSN774 |
| ADQV | Flow Control Device Material | SILICONE |
| Relevant Components for NSN - 4820-01-577-7122, 4820015777122 | ||||
| 4820-01-680-0758 (4820016800758) | 4820-01-143-5485 (4820011435485) | 4820-00-055-1456 (4820000551456) | 4820-01-064-7247 (4820010647247) | |
| 4820-01-659-8956 (4820016598956) | 4820-00-950-5912 (4820009505912) | 4820-01-070-5428 (4820010705428) | 4820-01-390-2772 (4820013902772) | |
| 4820-01-117-0449 (4820011170449) | 4820-01-013-4639 (4820010134639) | 4820-01-360-4401 (4820013604401) | 4810-01-666-7132 (4810016667132) | |
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