# NSN 4820-01-528-5563: Valve, Linear, Directional Control

NSN 4820-01-528-5563 (also written 4820015285563; NIIN 01-528-5563) is a valve, linear, directional control in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-528-5563 (4820015285563)
- NIIN: 01-528-5563 (015285563)
- Item name: VALVE,LINEAR,DIRECTIONAL CONTROL
- 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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | DBC004E |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | DISTRIBUTOR SD16 |
| PRTY | OPERATING PRESSURE AND TYPE | LOCATION NOT OTHERWISE SPECIFIED POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED 4600.0 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2164/71 | KA522 | CALEY OCEAN SYSTEMS LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SD16/3ACYG4P28LP28LP28LRK | 29616 | MCELROY MANUFACTURING INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-29 | [SPE7MC26P3628](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015285563) | VALVE, LINEAR, DIRECT | ALLIED DEFENSE INDUSTRIES, LLC DBA AMS DISTRIBUTION | $32,663.64 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015285563&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015285563
- 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/4820-01-528-5563/
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