# NSN 4730-01-318-8542: Thread Piece, Union

NSN 4730-01-318-8542 (also written 4730013188542; NIIN 01-318-8542) is a thread piece, union in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4730-01-318-8542 (4730013188542)
- NIIN: 01-318-8542 (013188542)
- Item name: THREAD PIECE,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 L: annual buy value is below the screening threshold. (observed 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 1.312 |
| ABUJ | THREAD SIZE | 3/8-18 |
| AJYP | SCREW THREAD SERIES DESIGNATOR | NPT |
| AWZY | END CONNECTION TYPE | THREADED |
| BBMM | SCREW THREAD LOCATION | INTERNAL |
| BYJF | SEAT TYPE | STRAIGHT FACE |
| CGND | UNION END THREAD SIZE | 1-3/8-12 |
| CGNF | UNION END SCREW THREAD SERIES DESIGNATOR | UNF |
| CGNG | UNION END THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL CORROSION RESISTING |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 53T-2 SS | 99565 | ADMIRAL VALVE LLC DBA CPV MANUFACTURING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MD53-2SS | 0ASY6 | DERBYSHIRE MARINE PRODUCTS, LLC DBA DERBYSHIRE MARINE PRODUCTS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MD53-2SS | 0JC12 | BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M0-27-T-0993 | 2 | 2026-11-16 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730013188542&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730013188542&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730013188542
- 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/4730-01-318-8542/
JSON: https://nsnexplorer.com/api/nsn/4730-01-318-8542.json