# NSN 4820-01-398-3982: Adapter Block, Valve

NSN 4820-01-398-3982 (also written 4820013983982; NIIN 01-398-3982) is an adapter block, valve in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-398-3982 (4820013983982)
- NIIN: 01-398-3982 (013983982)
- Item name: ADAPTER BLOCK,VALVE
- 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 H: the government lacks sufficient, accurate or legible data to buy from other sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | CRES 304;SQUARE SHAPE;1.69 IN. LG;1.0 IN. W;0.75 IN. H |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 72935-2 | 09790 | EATON AEROSPACE LLC DBA STERER ENGINEERING DIV VALVE & ACTUATOR | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 729935-2 | 09790 | EATON AEROSPACE LLC DBA STERER ENGINEERING DIV VALVE & ACTUATOR | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 78770 | 09790 | EATON AEROSPACE LLC DBA STERER ENGINEERING DIV VALVE & ACTUATOR | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 78770 ITEM 3 | 09790 | EATON AEROSPACE LLC DBA STERER ENGINEERING DIV VALVE & ACTUATOR | [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=4820013983982&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820013983982
- 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/4820-01-398-3982/
JSON: https://nsnexplorer.com/api/nsn/4820-01-398-3982.json