# NSN 4820-01-577-7122: Valve, Vacuum Breaking

NSN 4820-01-577-7122 (also written 4820015777122; NIIN 01-577-7122) is a valve, vacuum breaking in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-577-7122 (4820015777122)
- NIIN: 01-577-7122 (015777122)
- Item name: VALVE,VACUUM BREAKING
- Federal Supply Class: [FSC 4820 Valves, Nonpowered](https://nsnexplorer.com/fsc/4820/)
- Federal Supply Group: [FSG 48](https://nsnexplorer.com/group/48/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADQZ | END CONNECTION QUANTITY | 2 |
| AEVX | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| AGAV | END ITEM IDENTIFICATION | NEW CONSTRUCTION SSN774 |
| CQMM | FIRST END THREAD SERIES DESIGNATOR | NPT |
| CQYM | FIRST END NOMINAL THREAD SIZE | INCHES 2.000 |
| ADQU | FLOW CONTROL DEVICE | DISK, TOP GUIDED |
| AAQL | BODY STYLE | — |
| ABJH | TEMP RATING | FAHRENHEIT 180.0 |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL PIPE |
| ACKN | FIRST END STYLE DESIGNATOR | — |
| ACLG | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | INCHES 2.000 |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| MATT | MATERIAL | BODY COPPER ALLOY |
| MATT | MATERIAL | FLOW CONTROL DEVICE PLASTIC SILICONE |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | VACUUM BREAKER |
| FEAT | SPECIAL FEATURES | NHA P/N 19-87-8005 VENTILATION CONTROL UNIT; TM 51616-WC-FSE-010 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10180 | 09051 | ITW FOOD EQUIPMENT GROUP LLC DBA GAYLORD INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 288A/2 | 09051 | ITW FOOD EQUIPMENT GROUP LLC DBA GAYLORD INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015777122&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015777122
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/4820-01-577-7122/
JSON: https://nsnexplorer.com/api/nsn/4820-01-577-7122.json