# NSN 5310-01-343-4223: Nut, Self-Locking, Plate

NSN 5310-01-343-4223 (also written 5310013434223; NIIN 01-343-4223) is a nut, self-locking, plate in Federal Supply Class 5310, Nuts and Washers. 5 manufacturer part numbers from 4 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-01-343-4223 (5310013434223)
- NIIN: 01-343-4223 (013434223)
- 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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-15)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| AAWY | COUNTERBORE DIAMETER | NUT INCHES MINIMUM 0.300 |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ABTB | MOUNTING HOLE DIAMETER | INCHES MINIMUM 0.098 AND INCHES MAXIMUM 0.103 |
| ACTA | NUT STYLE | — |
| ACVN | NUT LENGTH | INCHES MAXIMUM 1.292 |
| ADEA | NUT HEIGHT | INCHES MAXIMUM 0.400 |
| ADEB | PLATE THICKNESS | INCHES MINIMUM 0.028 AND INCHES MAXIMUM 0.036 |
| ADEC | PLATE WIDTH | INCHES MAXIMUM 0.574 |
| ADFK | NUT COUNTERBORE DEPTH | NUT INCHES MINIMUM 0.187 |
| ADFP | NUT MOUNTING PROVISION | STRAIGHT HOLES |
| ADFU | MOUNTING HOLE ARRANGEMENT STYLE | — |
| ADFW | DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | INCHES MINIMUM 0.125 |
| ADFY | CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | INCHES MINIMUM 0.998 AND INCHES MAXIMUM 1.002 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| CBBL | FEATURES PROVIDED | FLOATING NUT |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.250 |
| MATT | MATERIAL | CLIP STEEL COMP 302 |
| MATT | MATERIAL | SHELL IRON ALLOY 660 |
| SFTT | SURFACE TREATMENT | OVERALL PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SHELL ASSN STD SINGLE TREATMENT RESPONSE A-S 5525 OR ASSN STD SINGLE TREATMENT RESPONSE A-S 5737 OR ASSN STD SINGLE TREATMENT RESPONSE A-S 5731 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 03A228-4-3 | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 03A228-4-3 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BFN228-4-3 | 27238 | BRISTOL INDUSTRIES, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| F52953-4-3 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NS202811-4-3 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-4075 | 5 | 2026-10-22 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310013434223&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310013434223&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310013434223
- 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/5310-01-343-4223/
JSON: https://nsnexplorer.com/api/nsn/5310-01-343-4223.json