# NSN 5310-01-493-6528: Washer, Shouldered

NSN 5310-01-493-6528 (also written 5310014936528; NIIN 01-493-6528) is a washer, shouldered in Federal Supply Class 5310, Nuts and Washers. 4 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-01-493-6528 (5310014936528)
- NIIN: 01-493-6528 (014936528)
- Item name: WASHER,SHOULDERED
- Federal Supply Class: [FSC 5310 Nuts and Washers](https://nsnexplorer.com/fsc/5310/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC L: annual buy value is below the screening threshold. (observed 2026-10-13)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | PUMP,CTFGL |
| MATT | MATERIAL | OVERALL COPPER ALLOY 922 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD 1ST MATERIAL RESPONSE AST- B271,ALLOY C92200 OR ASSN STD 2ND MATERIAL RESPONSE AST- B505,ALLOY C92200 OR ASSN STD 3RD MATERIAL RESPONSE AST- B584,ALLOY C92200 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 0679B0152C031A | 63857 | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 679B0152 | 63857 | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 999F0904 | 63857 | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 999F0904 FIND NO. 27 | 63857 | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-2993 | 1 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310014936528&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310014936528&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310014936528
- 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/5310-01-493-6528/
JSON: https://nsnexplorer.com/api/nsn/5310-01-493-6528.json