# NSN 5310-00-975-1574: Nut, Plain, Hexagon

NSN 5310-00-975-1574 (also written 5310009751574; NIIN 00-975-1574) is a nut, plain, hexagon in Federal Supply Class 5310, Nuts and Washers. 8 manufacturer part numbers from 8 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-00-975-1574 (5310009751574)
- NIIN: 00-975-1574 (009751574)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-6758,COND F4 |
| MATT | MATERIAL | OVERALL STEEL COMP 4130 |
| CQJX | NOMINAL THREAD SIZE | INCHES 1.250 |
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | — |
| ADEA | NUT HEIGHT | INCHES NOMINAL 0.532 |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 2.125 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| BZRR | THREAD SERIES | UNF |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 323178-1 | 20722 | THE ENTWISTLE COMPANY LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 323178-1 | 2A832 | JMT MACHINE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 323178-1 | 2V343 | APEX MANUFACTURING COMPANY, INC. DBA APEX MANUFACTURING CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 323178-1 | 47347 | JAMES CHOE DBA PIONEER MACHINE AND TOOLING CO DIV PIONEER MACHINE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 323178-1 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 323178-1 | 5N116 | QUALITY SOCKET SCREW MANUFACTURING CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 323178-1 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 323178-1 | 9U245 | MASTER RESEARCH & MANUFACTURING, INC. DBA MASTER RESEARCH & MANUFACTURING INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-16 | [SPE7M226P3998](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310009751574) | NUT, PLAIN, HEXAGON | APEX MANUFACTURING COMPANY, INC. DBA APEX MANUFACTURING CO | $136,700.00 |
| 2026-09-08 | [SPE7M823P0088](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310009751574) | NUT, PLAIN, HEXAGON | THE ENTWISTLE COMPANY LLC | $30,960.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310009751574&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310009751574
- 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/5310-00-975-1574/
JSON: https://nsnexplorer.com/api/nsn/5310-00-975-1574.json