# NSN 5310-01-588-1654: Nut, Self-Locking, Plate

NSN 5310-01-588-1654 (also written 5310015881654; NIIN 01-588-1654) is a nut, self-locking, plate in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 1 supplier are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5310-01-588-1654 (5310015881654)
- NIIN: 01-588-1654 (015881654)
- Item name: NUT,SELF-LOCKING,PLATE
- 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 Q: the government lacks adequate data or rights, but breakout to competition is expected. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AGAV | END ITEM IDENTIFICATION | RO PRESSURE VESSEL ASSY CONFIGURATONS 1, 2, AND 3 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, LOCKING, END PLATE, REVERSE OSMOSIS |
| MATT | MATERIAL | OVERALL COPPER ALLOY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 051-07668-000 | 0EXU3 | AQUA-CHEM, INC. DBA AQUA-CHEM INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 705-D-7586 ITEM 15 | 0EXU3 | AQUA-CHEM, INC. DBA AQUA-CHEM INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| REPLACES 705-D-7586 ITEM 9 | 0EXU3 | AQUA-CHEM, INC. DBA AQUA-CHEM INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-18 | [SPE4A626PE312](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015881654) | NUT, SELF-LOCKING, PL | AQUA-CHEM, INC. DBA AQUA-CHEM INC | $1,470.51 |
| 2026-08-18 | [SPE4A626PE312](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015881654) | NUT, SELF-LOCKING, PL | AQUA-CHEM, INC. DBA AQUA-CHEM INC | $1,470.51 |
| 2026-08-18 | [SPE4A626PE312](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015881654) | NUT, SELF-LOCKING, PL | AQUA-CHEM, INC. DBA AQUA-CHEM INC | $1,470.51 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310015881654&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015881654
- 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/5310-01-588-1654/
JSON: https://nsnexplorer.com/api/nsn/5310-01-588-1654.json