# NSN 4820-01-487-5259: Retainer, Seat, Valve

NSN 4820-01-487-5259 (also written 4820014875259; NIIN 01-487-5259) is a retainer, seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4820-01-487-5259 (4820014875259)
- NIIN: 01-487-5259 (014875259)
- Item name: RETAINER,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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-16)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | LOS ANGELES CLASS SSN (688) |
| CYDX | VALVE DESIGN CONTROL ACTIVITY | 99517 |
| CYDY | VALVE MODEL NUMBER FOR WHICH DESIGNED | V1E10565-01 TRIM/DRAIN VENT VALVE ASSY |
| FEAT | SPECIAL FEATURES | GOES ON NSN 4820-01-487-5108 SAFETY RELIEF VALVE; NHA FLOWMETER 0-2 |
| MATT | MATERIAL | NICKEL ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED SPEC SINGLE MATERIAL RESPONSE QQ-N-281 CLASS A |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| V1E10565 | 99517 | VACCO INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| V1E10565 ITEM 18 | 99517 | VACCO INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| V2D12152-1 | 99517 | VACCO INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-15 | [SPE7L127P0690](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014875259) | RETAINER, SEAT, VALVE | VACCO INDUSTRIES | $43,656.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820014875259&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014875259
- 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/4820-01-487-5259/
JSON: https://nsnexplorer.com/api/nsn/4820-01-487-5259.json