# NSN 4820-00-458-4566: Valve, Check

NSN 4820-00-458-4566 (also written 4820004584566; NIIN 00-458-4566) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 5 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-00-458-4566 (4820004584566)
- NIIN: 00-458-4566 (004584566)
- Item name: VALVE,CHECK
- 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 |
| --- | --- | --- |
| FEAT | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS UNF |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | ALL ENDS THREADED INTERNAL BOSS |
| AAJF | THREAD DIRECTION | ALL ENDS RIGHT-HAND |
| AGAV | END ITEM IDENTIFICATION | HH/UH-1 IROQUOIS, UH-1N UTILITY/SEARCH AND RECOVERY HELICOPTERS. |
| MATT | MATERIAL | BODY ALUMINUM ALLOY |
| CQJX | NOMINAL THREAD SIZE | SECOND END INCHES 0.750 |
| CQJX | NOMINAL THREAD SIZE | THIRD END INCHES 0.562 |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.750 |
| AAJD | THREAD CLASS | 2B |
| AHNC | CONNECTION STYLE | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 13066 | 16780 | EATON AEROSPACE LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 212-076-008-001 | 97499 | BELL TEXTRON INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 212-076-008-1 | 97499 | BELL TEXTRON INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2BS081 | 26044 | SAF INDUSTRIES LLC DBA SAF INDUSTRIES LLC DIV GARKENYON | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 42C42627 | 99215 | KAISER FLUID TECHNOLOGIES INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-22 | [SPE7MC26P3659](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820004584566) | VALVE, CHECK | — | $17,400.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820004584566&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820004584566
- 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/4820-00-458-4566/
JSON: https://nsnexplorer.com/api/nsn/4820-00-458-4566.json