# NSN 4820-01-591-5781: Repair Kit, Valve

NSN 4820-01-591-5781 (also written 4820015915781; NIIN 01-591-5781) is a repair kit, valve in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4820-01-591-5781 (4820015915781)
- NIIN: 01-591-5781 (015915781)
- Item name: REPAIR KIT,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 C: needs engineering source approval; other sources must qualify first. (observed 2026-11-06)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | R-12/R-134A VALVE CORE REPAIR KIT |
| FEAT | SPECIAL FEATURES | KIT INCLUDES ACCESS VALVE CORES (20), VALVE CORES (10), R134A JRA H/L IMPORT VALVE CORES (10), DOMESTIC VALVE CORES M10(5), DOMESTIC VALVE CORES (5), 1 R12/R134A VALVE CORE REMOVER/INSTALLER |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 91337 | 4XWN3 | RED HILL VENTURES LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7MC-27-T-1453 | 8 | 2026-11-16 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015915781&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015915781&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015915781
- 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/4820-01-591-5781/
JSON: https://nsnexplorer.com/api/nsn/4820-01-591-5781.json