# NSN 5310-01-190-4615: Nut, Self-Locking, Plate

NSN 5310-01-190-4615 (also written 5310011904615; NIIN 01-190-4615) is a nut, self-locking, plate in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-01-190-4615 (5310011904615)
- NIIN: 01-190-4615 (011904615)
- 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 2026-10-10)
- 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 0.280 |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ABKW | OVERALL HEIGHT | INCHES MAXIMUM 0.745 |
| ABTB | MOUNTING HOLE DIAMETER | INCHES MINIMUM 0.098 AND INCHES MAXIMUM 0.103 |
| ACTA | NUT STYLE | — |
| ACVN | NUT LENGTH | INCHES MAXIMUM 0.967 |
| ADEA | NUT HEIGHT | INCHES MAXIMUM 0.422 |
| ADEB | PLATE THICKNESS | INCHES NOMINAL 0.020 |
| ADEC | PLATE WIDTH | INCHES MINIMUM 0.615 AND INCHES MAXIMUM 0.635 |
| 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 0.371 AND INCHES MAXIMUM 0.381 |
| ADFY | CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | INCHES MINIMUM 0.750 AND INCHES MAXIMUM 0.754 |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL 450.0 |
| 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 | NUT STEEL |
| MATT | MATERIAL | SHELL IRON ALLOY 660 |
| MATT | MATERIAL | SEAL RUBBER SILICONE CLASS Q OR RUBBER FLUOROSILICONE CLASS FQ |
| MATT | MATERIAL | WASHER STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SEAL ASSN STD 1ST MATERIAL RESPONSE A-S 3304 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-R-25988 |
| SFTT | SURFACE TREATMENT | NUT CADMIUM OR CHROMATE |
| SFTT | SURFACE TREATMENT | WASHER CADMIUM AND CHROMATE |
| SFTT | SURFACE TREATMENT | SHELL PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SHELL ASSN STD SINGLE TREATMENT RESPONSE QQ--35 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | WASHER FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 2 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NUT FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| C4227E048-3 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MF52348-4-3 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NS202697G-048-3 | 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-2308 | 83 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310011904615&category=nsn) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE4A626P0T82](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011904615) | NUT, SELF-LOCKING, PLATE | WESCO AIRCRAFT HARDWARE CORP. DBA INCORA | $1,265.22 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310011904615&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011904615
- 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/5310-01-190-4615/
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