# NSN 4730-01-155-7871: Union, Pipe To Tube

NSN 4730-01-155-7871 (also written 4730011557871; NIIN 01-155-7871) is an union, pipe to tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 4 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4730-01-155-7871 (4730011557871)
- NIIN: 01-155-7871 (011557871)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | FIRST END INCHES 1.000 |
| AAJD | THREAD CLASS | 2A |
| AHNC | CONNECTION STYLE | — |
| AWLS | CONNECTION TYPE | FIRST END UNTHREADED EXTERNAL PIPE |
| AWLS | CONNECTION TYPE | SECOND END THREADED EXTERNAL BOSS |
| BYJF | SEAT TYPE | RECESSED |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | SECOND END INCHES 1.312 |
| CQNM | COUPLING FLANGE SHAPE | ROUND |
| CWFG | PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNED | FIRST END SCHEDULE STD |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 8.250 |
| MATT | MATERIAL | OVERALL NICKEL ALLOY |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | SECOND END UN |
| TMQY | FURNISHED ITEMS AND QUANTITY | PREFORMED PACKING 2 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 14-97-0191 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2621-021-01 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2621-021-01ASSY106 7.550LG | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 516-4695758F2 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [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=4730011557871&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011557871
- 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/4730-01-155-7871/
JSON: https://nsnexplorer.com/api/nsn/4730-01-155-7871.json