# NSN 4820-00-540-0935: Cock, Poppet Drain

NSN 4820-00-540-0935 (also written 4820005400935; NIIN 00-540-0935) is a cock, poppet drain in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 4820-00-540-0935 (4820005400935)
- NIIN: 00-540-0935 (005400935)
- Item name: COCK,POPPET DRAIN
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | FIRST END UNF |
| AAJD | THREAD CLASS | 3A |
| AHNC | CONNECTION STYLE | — |
| AQLR | VALVE OPERATION METHOD | HYDRAULIC |
| AWLS | CONNECTION TYPE | FIRST END THREADED EXTERNAL BOSS |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.562 |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| AAJF | THREAD DIRECTION | FIRST END RIGHT-HAND |
| MATT | MATERIAL | BODY COPPER ALLOY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1100B52Z4 | 91511 | AUTO-VALVE, INC | [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=4820005400935&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820005400935
- 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/4820-00-540-0935/
JSON: https://nsnexplorer.com/api/nsn/4820-00-540-0935.json