# NSN 5310-01-674-7438: Nut, Self-Locking, Hexagon

NSN 5310-01-674-7438 (also written 5310016747438; NIIN 01-674-7438) is a nut, self-locking, hexagon in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5310-01-674-7438 (5310016747438)
- NIIN: 01-674-7438 (016747438)
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| BZRR | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 0.438 |
| MATT | MATERIAL | OVERALL STEEL CORROSION RESISTING |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.25 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT,SELF LOCKING,HEX |
| FEAT | SPECIAL FEATURES | KNOWN AS: LOCKNUT,NYLON INSERT, NONMARRING FLANGE, NHA: 04-40100, WASHER DIAMETER: 0.56 |
| AAUM | LOCKING FEATURE | NYLON INSERT |
| ACTA | NUT STYLE | — |
| ADEA | NUT HEIGHT | INCHES NOMINAL 0.297 |
| AGAV | END ITEM IDENTIFICATION | 6115-016667896 |
| CMLP | THREAD QUANTITY PER INCH | 20 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 04-40166 | 30554 | DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 94238A101 | 07BY4 | MCMASTER-CARR SUPPLY CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-08-31 | $0.67 | 18 | ALLIED TOOLS, INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016747438) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-31 | [SPE4A626V349F](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016747438) | NUT, SELF-LOCKING, HE | ALLIED TOOLS, INC | $12.06 |
| 2026-08-19 | [SPE4A626V7804](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016747438) | NUT, SELF-LOCKING, HE | ALLIED TOOLS, INC | $1.10 |
| 2026-08-19 | [SPE4A626V7804](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016747438) | NUT, SELF-LOCKING, HE | ALLIED TOOLS, INC | $1.10 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310016747438&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016747438
- 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/5310-01-674-7438/
JSON: https://nsnexplorer.com/api/nsn/5310-01-674-7438.json