# NSN 4730-01-379-2144: Nut, Union

NSN 4730-01-379-2144 (also written 4730013792144; NIIN 01-379-2144) is a nut, union in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4730-01-379-2144 (4730013792144)
- NIIN: 01-379-2144 (013792144)
- Item name: NUT,UNION
- Federal Supply Class: [FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings](https://nsnexplorer.com/fsc/4730/)
- Federal Supply Group: [FSG 47](https://nsnexplorer.com/group/47/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-10-28)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | — |
| ADEA | NUT HEIGHT | INCHES NOMINAL 1.062 |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 2.000 |
| BSPX | SMALLEST INSIDE DIAMETER | INCHES NOMINAL 1.378 |
| BZRR | THREAD SERIES | UN |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | INCHES 1.750 |
| CRPK | MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED | POUNDS PER SQUARE INCH (PSI) AIR 3000.0 |
| MATT | MATERIAL | OVERALL NICKEL ALLOY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 6243079 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 943P7-3 | 32142 | HYDRASEARCH COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 943P7-3 | 99565 | ADMIRAL VALVE LLC DBA CPV MANUFACTURING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-26 | [SPE7M326P1375](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730013792144) | NUT, UNION | DERBYSHIRE MARINE PRODUCTS, LLC DBA DERBYSHIRE MARINE PRODUCTS LLC | $6,965.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730013792144&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730013792144
- 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/4730-01-379-2144/
JSON: https://nsnexplorer.com/api/nsn/4730-01-379-2144.json