# NSN 4730-01-693-8271: Union, Tube

NSN 4730-01-693-8271 (also written 4730016938271; NIIN 01-693-8271) is an union, tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4730-01-693-8271 (4730016938271)
- NIIN: 01-693-8271 (016938271)
- Item name: UNION,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 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | TUBE FITTING, UNION |
| MATT | MATERIAL | OVERALL TITANIUM |
| CWCD | NOMINAL OUTSIDE DIAMETER | ALL ENDS INCHES 0.250 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| CVN-0100R ITEM 39 | 6RDX4 | EVOQUA WATER TECHNOLOGIES LLC DBA SIEMENS WATER TECHNOLOGIES CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| TI-400-6 | 3T9T9 | SWAGELOK CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| W2T105443 | 6RDX4 | EVOQUA WATER TECHNOLOGIES LLC DBA SIEMENS WATER TECHNOLOGIES CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-03 | [SPE7M326V3729](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730016938271) | UNION, TUBE | III WILLIAMS LLC | $1,998.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730016938271&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730016938271
- 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/4730-01-693-8271/
JSON: https://nsnexplorer.com/api/nsn/4730-01-693-8271.json