# NSN 5310-01-166-1603: Nut, Self-Locking, Plate

NSN 5310-01-166-1603 (also written 5310011661603; NIIN 01-166-1603) is a nut, self-locking, plate in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-01-166-1603 (5310011661603)
- NIIN: 01-166-1603 (011661603)
- 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 2026-10-27)
- Acquisition method code: 3

## 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 0.194 |
| 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 1.051 |
| ADEA | NUT HEIGHT | INCHES MAXIMUM 0.317 |
| ADEB | PLATE THICKNESS | INCHES MAXIMUM 0.032 |
| ADEC | PLATE WIDTH | INCHES MAXIMUM 0.416 |
| ADFK | NUT COUNTERBORE DEPTH | NUT INCHES MINIMUM 0.125 AND INCHES MAXIMUM 0.140 |
| ADFP | NUT MOUNTING PROVISION | STRAIGHT HOLES |
| ADFU | MOUNTING HOLE ARRANGEMENT STYLE | — |
| ADFW | DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | INCHES MINIMUM 0.339 AND INCHES MAXIMUM 0.349 |
| ADFY | CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | INCHES MINIMUM 0.310 AND INCHES MAXIMUM 0.314 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| CBBL | FEATURES PROVIDED | FLOATING NUT |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.190 |
| MATT | MATERIAL | OVERALL IRON ALLOY 660 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5525 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5732 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5731 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| NS103624-02-2TB | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE4A626V217L](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011661603) | NUT, SELF-LOCKING, PL | — | $4,786.26 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310011661603&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011661603
- 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/5310-01-166-1603/
JSON: https://nsnexplorer.com/api/nsn/5310-01-166-1603.json