# NSN 5310-01-216-3999: Nut, Self-Locking, Plate

NSN 5310-01-216-3999 (also written 5310012163999; NIIN 01-216-3999) is a nut, self-locking, plate in Federal Supply Class 5310, Nuts and Washers. 11 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 5310-01-216-3999 (5310012163999)
- NIIN: 01-216-3999 (012163999)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-23)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH METALLIC INSERT |
| AAWY | COUNTERBORE DIAMETER | NUT INCHES MINIMUM 0.196 AND INCHES MAXIMUM 0.202 |
| ABTB | MOUNTING HOLE DIAMETER | INCHES MINIMUM 0.128 AND INCHES MAXIMUM 0.135 |
| ACTA | NUT STYLE | — |
| ACVN | NUT LENGTH | INCHES MINIMUM 0.975 AND INCHES MAXIMUM 0.995 |
| ADEA | NUT HEIGHT | INCHES MINIMUM 0.780 AND INCHES MAXIMUM 0.820 |
| ADEB | PLATE THICKNESS | INCHES MINIMUM 0.050 AND INCHES MAXIMUM 0.070 |
| ADEC | PLATE WIDTH | INCHES MINIMUM 0.386 AND INCHES MAXIMUM 0.406 |
| ADFK | NUT COUNTERBORE DEPTH | NUT INCHES MINIMUM 0.350 AND INCHES MAXIMUM 0.410 |
| ADFP | NUT MOUNTING PROVISION | STRAIGHT HOLES |
| ADFU | MOUNTING HOLE ARRANGEMENT STYLE | — |
| ADFW | DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | INCHES NOMINAL 0.344 |
| ADFY | CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | INCHES MINIMUM 0.686 AND INCHES MAXIMUM 0.690 |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.190 |
| MATT | MATERIAL | OVERALL ALUMINUM ALLOY 6061 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-A-12545 T6 |
| SFTT | SURFACE TREATMENT | OVERALL ANODIZE OR CHROMATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC 1ST TREATMENT RESPONSE -IL-A-8625 TY 1 OR MIL SPEC 2ND TREATMENT RESPONSE -IL-C-5541 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| BACN10M53-8 | 81205 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACN10MS3-8 | 77272 | THE BOEING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACN10MS3-8 | 81205 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACN10TL3-8 | 60119 | MONADNOCK COMPANY, THE DBA LISI AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACN10TL3-8 | 6D154 | HARTWELL CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACN10TL3-8 | 81205 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACN10TL3-8 | 83014 | HARTWELL CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WS1-4-8 | 04169 | ATLAS CORP WESTERN SKY INDUSTRIES DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WS15-8 | 04169 | ATLAS CORP WESTERN SKY INDUSTRIES DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WSI-4-8 | 04169 | ATLAS CORP WESTERN SKY INDUSTRIES DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WSI5-8 | 04169 | ATLAS CORP WESTERN SKY INDUSTRIES DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-11-02 | $3.11 | 558 | DEFENSE SUPPORT SERVICES, INC. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012163999) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-02 | [SPE4A627V1821](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012163999) | NUT, SELF-LOCKING, PLATE | DEFENSE SUPPORT SERVICES, INC. | $1,735.38 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310012163999&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012163999
- 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/5310-01-216-3999/
JSON: https://nsnexplorer.com/api/nsn/5310-01-216-3999.json