# NSN 4820-01-388-1257: Disk, Valve

NSN 4820-01-388-1257 (also written 4820013881257; NIIN 01-388-1257) is a disk, valve in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4820-01-388-1257 (4820013881257)
- NIIN: 01-388-1257 (013881257)
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-11-08)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAZE | SHANK DIAMETER | INCHES NOMINAL 0.625 |
| ABHE | OUTSIDE DIAMETER | INCHES NOMINAL 3.812 |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | INCHES NOMINAL 0.688 |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL 425.0 |
| BGST | PRESSURE RATING | POUNDS PER SQUARE INCH (PSI) NOMINAL 250.0 |
| FEAT | SPECIAL FEATURES | INCLUDES 1 HINGE, 1 NUT, 1 COTTER PIN, AND 1 WASHER |
| MATT | MATERIAL | NICKEL ALLOY |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 803-1385637 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 803-1385637-03X-20 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7MC-26-T-211V | 24 | 2026-11-12 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820013881257&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820013881257&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820013881257
- 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/4820-01-388-1257/
JSON: https://nsnexplorer.com/api/nsn/4820-01-388-1257.json