# NSN 4820-01-438-1558: Cock, Poppet Drain

NSN 4820-01-438-1558 (also written 4820014381558; NIIN 01-438-1558) is a cock, poppet drain in Federal Supply Class 4820, Valves, Nonpowered. 5 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4820-01-438-1558 (4820014381558)
- NIIN: 01-438-1558 (014381558)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| AGAV | END ITEM IDENTIFICATION | NAVY WEAPONS SYSTEM JP, SUPPLY CLASS AOE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
| ARKN | FLANGE SHAPE | FIRST END ROUND |
| AWLS | CONNECTION TYPE | FIRST END FLANGE |
| CWDF | FLANGE FACE DESIGN | FIRST END RAISED STRAIGHT |
| CWDH | RAISED FACE NOMINAL HEIGHT | FIRST END INCHES 0.160 |
| CWDL | RAISED FACE NOMINAL DIAMETER | FIRST END INCHES 4.166 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | FILTER DRAIN ASSEMBLY |
| FEAT | SPECIAL FEATURES | AUTOMATIC DRAIN VALVE ASSEMBLYFOR HOWELL LABORATORIES MODEL 5295 MARK V CONDENSER FILTER DEHYDRATOR |
| MATT | MATERIAL | BODY COPPER ALLOY AND STEEL CORROSION RESISTING |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE WATER, FRESH |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 6290-G501 | 22501 | HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6656 | 22501 | HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B6290 | 22501 | HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B6290-G501 | 22501 | HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| D6656 REV A ITEM 5 | 22501 | HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-01 | $2,000.26 | 33 | TRIMAN INDUSTRIES INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014381558) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-19 | [SPE7MC27P0211](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014381558) | COCK, POPPET DRAIN | TRIMAN INDUSTRIES INC | $48,943.62 |
| 2026-09-01 | [SPE7M426V5464](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014381558) | COCK, POPPET DRAIN | TRIMAN INDUSTRIES INC | $66,008.58 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820014381558&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014381558
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/4820-01-438-1558/
JSON: https://nsnexplorer.com/api/nsn/4820-01-438-1558.json