# NSN 5310-01-103-1778: Nut, Self-Locking, Hexagon

NSN 5310-01-103-1778 (also written 5310011031778; NIIN 01-103-1778) is a nut, self-locking, hexagon in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-01-103-1778 (5310011031778)
- NIIN: 01-103-1778 (011031778)
- Item name: NUT,SELF-LOCKING,HEXAGON
- 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 2026-10-13)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | — |
| ADEA | NUT HEIGHT | INCHES MINIMUM 0.470 AND INCHES MAXIMUM 0.485 |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 1.239 AND INCHES MAXIMUM 1.252 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| CMLP | THREAD QUANTITY PER INCH | 14 |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 40.0 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.875 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| FEAT | SPECIAL FEATURES | USED ON C130 NLGF2-2-85 |
| MATT | MATERIAL | OVERALL STEEL COMP 4130 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 4140 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE AISI |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY II CL 2 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5310PL0847635 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 68454-1414 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-3671 | 220 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310011031778&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310011031778&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011031778
- 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/5310-01-103-1778/
JSON: https://nsnexplorer.com/api/nsn/5310-01-103-1778.json