# NSN 4820-01-251-5689: Seat, Valve

NSN 4820-01-251-5689 (also written 4820012515689; NIIN 01-251-5689) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4820-01-251-5689 (4820012515689)
- NIIN: 01-251-5689 (012515689)
- Item name: SEAT,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 |
| --- | --- | --- |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.625 |
| ADAR | BODY OUTSIDE DIAMETER | INCHES NOMINAL 8.250 |
| ADAS | BODY INSIDE DIAMETER | INCHES NOMINAL 6.250 |
| CQKM | SEATING SURFACE SHAPE | O-RING |
| FEAT | SPECIAL FEATURES | NOTE: THIS MATERIAL IS IN ACCORDANCE WITH 0948-LP0-04507010; THE VALVE IS AN ASSEMBLY MIC LEVEL ONE; REF ENTIRE ASSY PER 4820-01-245-5438 |
| MATT | MATERIAL | SEAT STEEL |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 04113329 | 5XH59 | FLOWSERVE US, INC. DBA AUTOMAX ACTUATORS DIV FLOW CONTROL DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2536-5 | 85130 | FLOWSERVE CORPORATION DIV FLOWSERVE US INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2536-5 PIECE 28 | 85130 | FLOWSERVE CORPORATION DIV FLOWSERVE US INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2536-5-28 | 85130 | FLOWSERVE CORPORATION DIV FLOWSERVE US INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-06 | [SPE7M527P0064](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820012515689) | SEAT, VALVE | KAMPI COMPONENTS CO INC | $63,626.95 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820012515689&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820012515689
- 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.

Canonical page: https://nsnexplorer.com/nsn/4820-01-251-5689/
JSON: https://nsnexplorer.com/api/nsn/4820-01-251-5689.json