# NSN 4820-01-505-7738: Retainer, Disk, Valve

NSN 4820-01-505-7738 (also written 4820015057738; NIIN 01-505-7738) 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 Oct 2026.

## Identification

- NSN: 4820-01-505-7738 (4820015057738)
- NIIN: 01-505-7738 (015057738)
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 0.4063 |
| AGAV | END ITEM IDENTIFICATION | 1/2"-SIZE STOP CHECK VALVES (IN-LINE AND ANGLE) FOUND ON CAGE 80064 DWG 4384536 |
| CXBX | VALVE SIZE FOR WHICH DESIGNED | INCHES 0.500 |
| CYDX | VALVE DESIGN CONTROL ACTIVITY | 80064 |
| CYDY | VALVE MODEL NUMBER FOR WHICH DESIGNED | DWG 4384536 STOP CHECK MODELS |
| FEAT | SPECIAL FEATURES | DWG CALLS THIS PART "DISC RETAINER (STOP CHECK)"; ALTERNATE MATERIAL IS NICKEL ALLOY IAW QQ-N-281 |
| MATT | MATERIAL | NICKEL ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASSN STD SINGLE MATERIAL RESPONSE AST- B164 OR A494 GRADE -30C |

## 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/) |
| 803-4384536-3XXX-10 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-01 | $209.00 | 5 | 0ZBL9 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015057738) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-01 | [SPE7MC27V0006](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015057738) | RETAINER, DISK, VALVE | — | $1,045.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015057738&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015057738
- 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/4820-01-505-7738/
JSON: https://nsnexplorer.com/api/nsn/4820-01-505-7738.json