# NSN 4730-00-600-7165: Coupling, Tube

NSN 4730-00-600-7165 (also written 4730006007165; NIIN 00-600-7165) is a coupling, tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 4 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4730-00-600-7165 (4730006007165)
- NIIN: 00-600-7165 (006007165)
- Item name: COUPLING,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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-28)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AWLS | CONNECTION TYPE | ALL ENDS UNTHREADED EXTERNAL TUBE |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | ALL ENDS INCHES 0.500 |
| MATT | MATERIAL | OVERALL STEEL |
| STYL | STYLE DESIGNATOR | — |
| CWFK | TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED | ALL ENDS INCHES 0.156 |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 1.625 |
| AHNC | CONNECTION STYLE | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| S427C | 16712 | SIEMENS ENERGY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S427C | 59180 | CIRCOR PUMPS NORTH AMERICA LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SG3603PC25 | 16712 | SIEMENS ENERGY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SG3603PC25 | 59180 | CIRCOR PUMPS NORTH AMERICA LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-27 | [SPE7M326V2018](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730006007165) | COUPLING, TUBE | S I T CORPORATION | $16,141.80 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730006007165&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730006007165
- 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/4730-00-600-7165/
JSON: https://nsnexplorer.com/api/nsn/4730-00-600-7165.json