# NSN 4730-00-541-6551: Adapter, Straight, Pipe To Hose

NSN 4730-00-541-6551 (also written 4730005416551; NIIN 00-541-6551) is an adapter, straight, pipe to hose in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 11 manufacturer part numbers from 9 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4730-00-541-6551 (4730005416551)
- NIIN: 00-541-6551 (005416551)
- Item name: ADAPTER,STRAIGHT,PIPE TO HOSE
- 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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 2.937 |
| CMLP | THREAD QUANTITY PER INCH | 7-1/2 |
| THSD | THREAD SERIES DESIGNATOR | SECOND END NH |
| AHNC | CONNECTION STYLE | — |
| CWDW | NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED | SECOND END INCHES 2.500 |
| AWLS | CONNECTION TYPE | FIRST END THREADED EXTERNAL PIPE |
| MATT | MATERIAL | OVERALL COPPER ALLOY |
| THSD | THREAD SERIES DESIGNATOR | FIRST END NPT |
| AWLS | CONNECTION TYPE | SECOND END THREADED INTERNAL HOSE |
| CQJX | NOMINAL THREAD SIZE | SECOND END INCHES 2.500 |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 2.500 |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | FIRST END INCHES 2.5000 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 01444L04 | 20266 | ELKHART BRASS MANUFACTURING COMPANY, LLC DIV ELKHART BRASS MANUFACTURING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 0345-00-1-1-01-955 | 00912 | AKRON BRASS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 0354 | 00912 | AKRON BRASS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 09-215-21/2X21/2 | 05646 | KIDDE FIRE FIGHTING INC DBA KIDDE FIRE FIGHTING DIV POWHATAN/AUTOMATIC SPRINKLER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 363-25222561 | 55581 | TAMCO, INC. DBA TECHNICAL ASSISTANCE COMPANY DIV TECHNICAL ASSISTANCE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 363-25222561 | 5RA73 | INTELLIWORKS HT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5912 | 91213 | GLAUBER INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 72R | 03958 | MINDECO CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S-327-21/2X21/2 | 20266 | ELKHART BRASS MANUFACTURING COMPANY, LLC DIV ELKHART BRASS MANUFACTURING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SHIPSC2483 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SHIPSC2483 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-01 | [SPE7M326V4406](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730005416551) | ADAPTER, STRAIGHT, PIPE TO HOSE | — | $36,421.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730005416551&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730005416551
- 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/4730-00-541-6551/
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