# NSN 4820-01-555-9572: Stem And Disc Assembly, Valve

NSN 4820-01-555-9572 (also written 4820015559572; NIIN 01-555-9572) is a stem and disc assembly, valve in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4820-01-555-9572 (4820015559572)
- NIIN: 01-555-9572 (015559572)
- Item name: STEM AND DISC ASSEMBLY,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 2026-11-01)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| FEAT | SPECIAL FEATURES | 1 EA. DISK WASHER, 1 EA. DISK (STOP VALVES), 1 EA. DISK STEM RING AND 1 EA. STEM |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | STAINLESS STEEL STEM AND DISK ASSEMBLY FOR 0.500 INCH VALVE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2177525 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 803-2177525-S3XX-82 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-28 | [SPE7M127V0976](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015559572) | STEM AND DISC ASSEM | SFC VALVE CORPORATION | $7,667.28 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015559572&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015559572
- 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/4820-01-555-9572/
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