# NSN 5310-01-663-7051: Nut, Self-Locking, Plate

NSN 5310-01-663-7051 (also written 5310016637051; NIIN 01-663-7051) is a nut, self-locking, plate in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5310-01-663-7051 (5310016637051)
- NIIN: 01-663-7051 (016637051)
- 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 L: annual buy value is below the screening threshold. (observed 2026-11-02)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| SFTT | SURFACE TREATMENT | OVERALL ZINC |
| ADEA | NUT HEIGHT | INCHES NOMINAL 0.28125 |
| ADEB | PLATE THICKNESS | INCHES NOMINAL 0.04 |
| ADEC | PLATE WIDTH | INCHES NOMINAL 0.6875 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | RACHET |
| ACTA | NUT STYLE | — |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.3125 |
| CRHC | HOLE CONFIGURATION STYLE | — |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SERRATED-FLANGE LOCKNUT |
| MATT | MATERIAL | OVERALL STEEL |
| AAJD | THREAD CLASS | 2B |
| BZRR | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| AGAV | END ITEM IDENTIFICATION | TANK UNIT,FUEL DISPENSING,TRUCK MOUNTING |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 99904A102 | 39428 | MCMASTER-CARR SUPPLY CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ISO-1213 | 55242 | ISOMETRICS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-20 | [SPE4A626V325Z](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016637051) | NUT, SELF-LOCKING, PL | ALLIED TOOLS, INC | $20.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310016637051&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016637051
- 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/5310-01-663-7051/
JSON: https://nsnexplorer.com/api/nsn/5310-01-663-7051.json