# NSN 4730-01-307-8428: Union, Pipe To Tube

NSN 4730-01-307-8428 (also written 4730013078428; NIIN 01-307-8428) is an union, pipe to tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 4730-01-307-8428 (4730013078428)
- NIIN: 01-307-8428 (013078428)
- Item name: UNION,PIPE TO TUBE
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AHNC | CONNECTION STYLE | — |
| ARKN | FLANGE SHAPE | FIRST END ROUND |
| AWLS | CONNECTION TYPE | SECOND END UNTHREADED EXTERNAL TUBE |
| AWLS | CONNECTION TYPE | FIRST END FLANGE |
| BYJF | SEAT TYPE | RECESSED |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3000.0 |
| CWCD | NOMINAL OUTSIDE DIAMETER | FIRST END INCHES 1.625 |
| CWCK | NOMINAL THICKNESS | FIRST END INCHES 0.312 |
| CWDF | FLANGE FACE DESIGN | FIRST END PLAIN SWIVEL WITH GASKET GROOVE |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | SECOND END INCHES 0.500 |
| CWFK | TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED | SECOND END INCHES 0.137 |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 2.250 |
| MATT | MATERIAL | OVERALL COPPER ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-C-15726 |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE WATER |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 15-97-5206A | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2621-791-01 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2621-791-01 ASSY 9A | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730013078428&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730013078428
- 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/4730-01-307-8428/
JSON: https://nsnexplorer.com/api/nsn/4730-01-307-8428.json