# NSN 5310-00-840-5878: Nut, Plain, Hexagon

NSN 5310-00-840-5878 (also written 5310008405878; NIIN 00-840-5878) is a nut, plain, hexagon in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5310-00-840-5878 (5310008405878)
- NIIN: 00-840-5878 (008405878)
- Item name: NUT,PLAIN,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 2026-11-04)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | — |
| ADEA | NUT HEIGHT | INCHES MINIMUM 1.310 AND INCHES MAXIMUM 1.378 |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 2.1190 AND INCHES MAXIMUM 2.1875 |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL 1000.0 |
| BZRR | THREAD SERIES | UN |
| CMLP | THREAD QUANTITY PER INCH | 8 |
| CQJX | NOMINAL THREAD SIZE | INCHES 1.375 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | HEAVY HEX FLAT NUT |
| FEAT | SPECIAL FEATURES | ALLOY STEEL, CARBON-MOLYBDENUM GRADE 4 OR ALLOY STEEL, CHROMIUM-MOLYBDENUM GRADE 7 |
| MATT | MATERIAL | OVERALL STEEL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| MS16285-13 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-17 | [SPE7M026P3727](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310008405878) | NUT, PLAIN, HEXAGON | QUALITY SOCKET SCREW MANUFACTURING CORP | $568.05 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310008405878&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310008405878
- 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/5310-00-840-5878/
JSON: https://nsnexplorer.com/api/nsn/5310-00-840-5878.json