# NSN 4820-01-219-8221: Piston, Valve

NSN 4820-01-219-8221 (also written 4820012198221; NIIN 01-219-8221) is a piston, valve in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4820-01-219-8221 (4820012198221)
- NIIN: 01-219-8221 (012198221)
- Item name: PISTON,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 0 (observed 2026-10-10)
- Acquisition method code: 0

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 1.240 |
| AGAV | END ITEM IDENTIFICATION | B-1B |
| FEAT | SPECIAL FEATURES | CRES 17-4 COND A PER AMS 5643; HEAT TREAT TO COND H900 PER CPS 423 APPX NO. 3; PASSIVATE PER CPS 130; USED ON OXYGEN VALVE 1660-01-211-2088 |
| MATT | MATERIAL | STEEL CORROSION RESISTING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASSN STD SINGLE MATERIAL RESPONSE A-S 5643 |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MFR REF SINGLE TREATMENT RESPONSE CS 130 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2192-0091-1 | 04577 | MISSION SYSTEMS ORCHARD PARK INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7MC-27-T-0416 | 2 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820012198221&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820012198221&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820012198221
- 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/4820-01-219-8221/
JSON: https://nsnexplorer.com/api/nsn/4820-01-219-8221.json