# NSN 4820-01-049-7566: Valve Assembly

NSN 4820-01-049-7566 (also written 4820010497566; NIIN 01-049-7566) is a valve assembly in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-049-7566 (4820010497566)
- NIIN: 01-049-7566 (010497566)
- Item name: VALVE ASSEMBLY
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | F16 |
| FEAT | SPECIAL FEATURES | ASSEMBLY CONTAINS TWO INDEPENDENT CHECK VALVES IN SERIES, ALL REQUIREMENTS APPLY EQUALLY TO EACH VALVE; BURST PRESSURE NORMAL FLOW 125 PSIG AT 550 DEG F |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 16VY01002-1 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4202-1 | S4886 | ZURICHER BEUTELTUCHFABRIK AG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AV18A1120 | 05624 | GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AV18A1120 | 1523A | TAT TECHNOLOGIES LTD DIV TAT ISRAEL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AV18A1120 | 73760 | ITT AEROSPACE CONTROLS LLC DBA ITT AEROSPACE CONTROLS UNIT S | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AV18A1120 | S4883 | TAT TECHNOLOGIES LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-29 | [SPE7MC26P1919](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820010497566) | VALVE ASSEMBLY | — | $13,725.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820010497566&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820010497566
- 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/4820-01-049-7566/
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