# NSN 4820-01-578-6741: Cylinder And Valve Assembly

NSN 4820-01-578-6741 (also written 4820015786741; NIIN 01-578-6741) is a cylinder and valve assembly in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-578-6741 (4820015786741)
- NIIN: 01-578-6741 (015786741)
- Item name: CYLINDER AND VALVE ASSEMBLY
- 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 |
| --- | --- | --- |
| ARJA | PRESSURE RATING | POUNDS PER SQUARE INCH (PSI) 4500.0 |
| FEAT | SPECIAL FEATURES | THIS IS THE REPLACEMENT FOR THE MSA PREMIERE CADET 15. THE RESPIRATOR IS AN AIRLINE BREATHING APPARATUS EQUIPED WITH A 15 MINUTE ESCAPE SCBA. THE RESPIRATORS ARE USED IN THE SAR/SCBA SYSTEM FOR THE PURPOSE OF GAS FREE ENGINEERING MISSIONS. |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 200779-02 | 15927 | SCOTT TECHNOLOGIES, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-28 | [SPE7MC26P3706](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015786741) | CYLINDER AND VALVE ASSEMBLY | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $30,961.25 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015786741&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015786741
- 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.

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