# NSN 4730-01-375-0321: Reducer, Pipe

NSN 4730-01-375-0321 (also written 4730013750321; NIIN 01-375-0321) is a reducer, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 5 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4730-01-375-0321 (4730013750321)
- NIIN: 01-375-0321 (013750321)
- Item name: REDUCER,PIPE
- 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 H: the government lacks sufficient, accurate or legible data to buy from other sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | ALL ENDS INCHES 0.500 |
| ACSP | REDUCER TYPE | CONCENTRIC |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 425.0 |
| AHNC | CONNECTION STYLE | — |
| AWLS | CONNECTION TYPE | FIRST END UNTHREADED INTERNAL PIPE |
| AWLS | CONNECTION TYPE | SECOND END THREADED EXTERNAL PIPE |
| CQJX | NOMINAL THREAD SIZE | SECOND END INCHES 0.750 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 200.0 |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 1.375 |
| FEAT | SPECIAL FEATURES | BRONZE |
| MATT | MATERIAL | OVERALL COPPER ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE AST- B-61 OR B-62 |
| THSD | THREAD SERIES DESIGNATOR | SECOND END NPT |
| TMQY | FURNISHED ITEMS AND QUANTITY | PREINSERTED RING 1 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 00699067577916 | 72423 | FLAGG STANLEY G & CO INC DBA FLAGG BRASS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5161-101 | 33152 | LBC AQUISITIONS LLC DBA LEE BRASS DIV LEE BRASS FOUNDRY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5161-101 | 72423 | FLAGG STANLEY G & CO INC DBA FLAGG BRASS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5210309 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5210309 PART 96 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M3-27-T-0171 | 9 | 2026-10-19 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730013750321&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730013750321&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730013750321
- 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/4730-01-375-0321/
JSON: https://nsnexplorer.com/api/nsn/4730-01-375-0321.json