# NSN 4820-01-023-4440: Disk, Valve

NSN 4820-01-023-4440 (also written 4820010234440; NIIN 01-023-4440) is a disk, valve in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-023-4440 (4820010234440)
- NIIN: 01-023-4440 (010234440)
- Item name: DISK,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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAZE | SHANK DIAMETER | INCHES NOMINAL 0.250 |
| ABKK | FLANGE DIAMETER | INCHES NOMINAL 0.410 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 1.500 |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | INCHES NOMINAL 1.220 |
| AJRM | UNDER FLANGE HEIGHT | INCHES NOMINAL 0.250 |
| CRRB | SEAT ANGLE | DEGREES NOMINAL 30.0 |
| MATT | MATERIAL | STEEL |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 064-14790 | 66935 | JOHNSON CONTROLS NAVY SYSTEMS, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 064-14790K | 66935 | JOHNSON CONTROLS NAVY SYSTEMS, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 364-48756-000 ITEM 116 | 66935 | JOHNSON CONTROLS NAVY SYSTEMS, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| GLY06414790000 | C0292 | JOHNSON CONTROLS SYSTEMS & SERVICE GMBH | [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=4820010234440&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820010234440
- 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/4820-01-023-4440/
JSON: https://nsnexplorer.com/api/nsn/4820-01-023-4440.json