# NSN 5310-01-145-0814: Nut, Self-Locking, Barrel

NSN 5310-01-145-0814 (also written 5310011450814; NIIN 01-145-0814) is a nut, self-locking, barrel in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-01-145-0814 (5310011450814)
- NIIN: 01-145-0814 (011450814)
- Item name: NUT,SELF-LOCKING,BARREL
- 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: 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 0.594 AND INCHES MAXIMUM 0.604 |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ACTA | NUT STYLE | — |
| ACTD | NUT DIAMETER | INCHES MINIMUM 0.870 AND INCHES MAXIMUM 0.872 |
| ACVN | NUT LENGTH | INCHES MINIMUM 1.084 AND INCHES MAXIMUM 1.104 |
| ADBA | BARREL HEIGHT | INCHES MINIMUM 0.580 AND INCHES MAXIMUM 0.590 |
| ADEA | NUT HEIGHT | INCHES MAXIMUM 0.765 |
| ADFK | NUT COUNTERBORE DEPTH | NUT INCHES MINIMUM 0.214 AND INCHES MAXIMUM 0.224 |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL 450.0 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 43.0 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.562 |
| FEAT | SPECIAL FEATURES | CRADLE HARDNESS ROCKWELL C SCALE MIN 41 MAX 48 |
| MATT | MATERIAL | OVERALL STEEL |
| SFTT | SURFACE TREATMENT | NUT CADMIUM |
| SFTT | SURFACE TREATMENT | BASE CADMIUM AND CHROMATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NUT FED SPEC SINGLE TREATMENT RESPONSE QQ--416,CL 2 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BASE FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 2 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5310PL1938134 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RMLH2577-098 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RMLH2577-098 | 72962 | HARVARD INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-29 | [SPE4A622D0041/SPE4A624F017X](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011450814) | NUT, SELF-LOCKING, BA | T.P.S. AVIATION INC | $21,153.00 |
| 2026-09-29 | [SPE4A622D0041/SPE4A624F3253](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011450814) | NUT, SELF-LOCKING, BA | T.P.S. AVIATION INC | $20,422.26 |
| 2026-09-29 | [SPE4A622D0041/SPE4A624F459J](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011450814) | NUT, SELF-LOCKING, BA | T.P.S. AVIATION INC | $20,422.26 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310011450814&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011450814
- 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/5310-01-145-0814/
JSON: https://nsnexplorer.com/api/nsn/5310-01-145-0814.json