# NSN 4820-01-050-6863: Piston

NSN 4820-01-050-6863 (also written 4820010506863; NIIN 01-050-6863) is a piston in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-050-6863 (4820010506863)
- NIIN: 01-050-6863 (010506863)
- Item name: PISTON
- 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 |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL 440C CRES QQ-S-763,PASSIVATE SPS-209 METHOD 1,HEAT TREAT MIL-H-6875 RC 55-60; 0.466 IN. MIN 0.470 IN. MAX LG; 0.184 IN. MIN 0.185 IN. MAX DIA |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 35602 | 99643 | EATON AEROSPACE LLC DBA EATON AEROSPACE JACKSON | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820010506863&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820010506863
- 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.

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