# NSN 4820-01-505-2405: Retainer, Disk, Valve

NSN 4820-01-505-2405 (also written 4820015052405; NIIN 01-505-2405) is a retainer, disk, valve in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-505-2405 (4820015052405)
- NIIN: 01-505-2405 (015052405)
- Item name: RETAINER,DISK,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 G: the government has a complete data package and the rights to use it. (observed 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | 3/4"-SIZE STOP-CHECK VALVES (IN-LINE AND ANGLE) FOUND ON CAGE 80064 DWG 4384536 |
| CXBX | VALVE SIZE FOR WHICH DESIGNED | INCHES 0.750 |
| ABHE | OUTSIDE DIAMETER | INCHES NOMINAL 1.125 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 0.9375 |
| MATT | MATERIAL | NICKEL ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASSN STD SINGLE MATERIAL RESPONSE AST- B164 OR A494 GRADE -30C |
| FEAT | SPECIAL FEATURES | DWG CALLS THIS PART "DISC HOLDER (STOP CHECK)"; ALTERNATE MATERIAL IS NICKEL ALLOY IAW QQ-N-281 |
| CYDX | VALVE DESIGN CONTROL ACTIVITY | 80064 |
| CYDY | VALVE MODEL NUMBER FOR WHICH DESIGNED | DWG 4384536 STOP-CHECK MODELS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4384536 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 803-4384536-4XXX-08 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-03 | [SPE7MC26V3093](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015052405) | RETAINER, DISK, VALVE | BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS | $1,002.40 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015052405&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015052405
- 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/4820-01-505-2405/
JSON: https://nsnexplorer.com/api/nsn/4820-01-505-2405.json