# NSN 4820-01-660-2229: Valve, Bleeder, Hydraulic System

NSN 4820-01-660-2229 (also written 4820016602229; NIIN 01-660-2229) is a valve, bleeder, hydraulic system in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4820-01-660-2229 (4820016602229)
- NIIN: 01-660-2229 (016602229)
- Item name: VALVE,BLEEDER,HYDRAULIC SYSTEM
- 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 Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MATT | MATERIAL | OVERALL STEEL COMP 316 |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | FIRST END NPT |
| AEHZ | MAXIMUM OPERATING TEMP | FIRST RESPONSE FAHRENHEIT 70.00 |
| AEHZ | MAXIMUM OPERATING TEMP | SECOND RESPONSE FAHRENHEIT 600.00 |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.375 |
| CQQF | OPERATING PRESSURE | FIRST RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 6000.00 |
| ADQU | FLOW CONTROL DEVICE | BALL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 593-7556857 PC. NO. 27 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6610M6Y | 28968 | CIRCOR INSTRUMENTATION TECHNOLOGIES, INC. DBA HOKE GYROLOK | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-08-25 | $87.00 | 2 | HOOSIER INDUSTRIAL SUPPLY, INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820016602229) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-25 | [SPE7MC26V4139](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820016602229) | VALVE, BLEEDER, HYDRA | HOOSIER INDUSTRIAL SUPPLY, INC | $174.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820016602229&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820016602229
- 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/4820-01-660-2229/
JSON: https://nsnexplorer.com/api/nsn/4820-01-660-2229.json