# NSN 4820-01-030-5231: Support Seat

NSN 4820-01-030-5231 (also written 4820010305231; NIIN 01-030-5231) is a support seat in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4820-01-030-5231 (4820010305231)
- NIIN: 01-030-5231 (010305231)
- Item name: SUPPORT SEAT
- 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 A: the government's right to use the technical data it holds is in doubt. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | MAROTTA VALVE CORP PRESSURE REDUCING VALVE P/N 280038 |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | MATERIAL CORROSION RESISTING STEEL,OD 0.561 IN.,FLANGE OD 0.678 IN.,ID 0.377 IN.,THICKNESS OVERALL 0.161 IN.,FLANGE THICKNESS 0.066 IN.,FACE GROOVE OD 0.527 IN.,FACE GROOVE ID 0.430 IN.,FACE GROOVE DEPTH 0.073 IN. |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 188478-0030 | 99657 | MAROTTA CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 188478-30 | 99657 | MAROTTA CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 280038 | 99657 | MAROTTA CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 280038ITEM17 | 99657 | MAROTTA CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7MC-26-T-242G | 5 | 2026-11-09 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820010305231&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820010305231&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820010305231
- 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/4820-01-030-5231/
JSON: https://nsnexplorer.com/api/nsn/4820-01-030-5231.json