# NSN 4820-01-643-7463: Disk, Valve

NSN 4820-01-643-7463 (also written 4820016437463; NIIN 01-643-7463) is a disk, valve in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4820-01-643-7463 (4820016437463)
- NIIN: 01-643-7463 (016437463)
- Item name: DISK,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 Q: the government lacks adequate data or rights, but breakout to competition is expected. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AARX | INSIDE DIAMETER | INCHES MINIMUM 1.760 AND INCHES MAXIMUM 1.770 |
| ABHE | OUTSIDE DIAMETER | INCHES MINIMUM 9.605 AND INCHES MAXIMUM 9.610 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 5.25 |
| AGAV | END ITEM IDENTIFICATION | 8 INCH STOP CHECK VALVE |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | DISC |
| FEAT | SPECIAL FEATURES | STEAM SERVICE ONLY |
| MATT | MATERIAL | STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASSN STD SINGLE MATERIAL RESPONSE AST- A105 |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 7536-711-002-S | 57574 | VELAN VALVE CORP. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9999-002 IT04B PN 7536-711-002-S | 57574 | VELAN VALVE CORP. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7MC-27-T-0597 | 2 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820016437463&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820016437463&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820016437463
- 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/4820-01-643-7463/
JSON: https://nsnexplorer.com/api/nsn/4820-01-643-7463.json