# NSN 4220-01-648-2431: Cap, Cylinder Valve

NSN 4220-01-648-2431 (also written 4220016482431; NIIN 01-648-2431) is a cap, cylinder valve in Federal Supply Class 4220, Marine Lifesaving and Diving Equipment. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4220-01-648-2431 (4220016482431)
- NIIN: 01-648-2431 (016482431)
- Item name: CAP,CYLINDER VALVE
- Federal Supply Class: [FSC 4220 Marine Lifesaving and Diving Equipment](https://nsnexplorer.com/fsc/4220/)
- Federal Supply Group: [FSG 42](https://nsnexplorer.com/group/42/)
- 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 |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | MK25 MOD2 UBA |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4043028 | 53833 | DRAEGER SAFETY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4043028 | 6L622 | DRAEGER INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-09 | $24.00 | 107 | ATLANTIC DIVING SUPPLY, INC. DBA ADS | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4220016482431) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-09 | [SPE8E626V2222](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4220016482431) | CAP, CYLINDER VALVE | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $2,568.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4220016482431&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4220016482431
- 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/4220-01-648-2431/
JSON: https://nsnexplorer.com/api/nsn/4220-01-648-2431.json