# NSN 4730-01-101-1850: Coupling, Tube

NSN 4730-01-101-1850 (also written 4730011011850; NIIN 01-101-1850) is a coupling, tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4730-01-101-1850 (4730011011850)
- NIIN: 01-101-1850 (011011850)
- 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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-23)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AHNC | CONNECTION STYLE | — |
| AWLS | CONNECTION TYPE | ALL ENDS UNTHREADED EXTERNAL TUBE |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 1.950 |
| FEAT | SPECIAL FEATURES | U/O F16 ACFT;SWAGE BOTH ENDS PER FPS-3023 |
| MATT | MATERIAL | OVERALL ALUMINUM ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE WW-T-700 TO 4,TY O |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE FUEL |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 16P193-811 | 1XKR3 | AEROSPACE & COMMERCIAL TECHNOLOGIES, LLC DBA AEROSPACE & COMMERCIAL TECHNOLOGIES LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 16P193-811 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 16P193-811 | T0544 | TUSAS - TURK HAVACILIK VE UZAY SANAYII ANONIM SIRKETI | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4730PL0735816 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-20 | [SPE4A123G0023/SPE7M327F0007](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011011850) | COUPLING, TUBE | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY | $1,878.84 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730011011850&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011011850
- 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/4730-01-101-1850/
JSON: https://nsnexplorer.com/api/nsn/4730-01-101-1850.json