# NSN 4730-00-442-7239: Reducer, Tube

NSN 4730-00-442-7239 (also written 4730004427239; NIIN 00-442-7239) is a reducer, tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4730-00-442-7239 (4730004427239)
- NIIN: 00-442-7239 (004427239)
- Item name: REDUCER,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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS UNIFIED NATIONAL JOINT FINE (UNJF) |
| CQJX | NOMINAL THREAD SIZE | SECOND END INCHES 0.4375 |
| AWLS | CONNECTION TYPE | ALL ENDS THREADED EXTERNAL TUBE |
| AAJD | THREAD CLASS | 3A |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | FIRST END INCHES 0.422 |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.8750 |
| ACSP | REDUCER TYPE | CONCENTRIC |
| AHNC | CONNECTION STYLE | — |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | SECOND END INCHES 0.369 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 118-00011 | 14798 | DESIGNED METAL CONNECTIONS INC DBA PERMASWAGE USA DIV PERMASWAGE, A PCC COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 118-00011 | 79470 | DANA CORP WEATHERHEAD DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4G94424-101A | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730004427239&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730004427239
- 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/4730-00-442-7239/
JSON: https://nsnexplorer.com/api/nsn/4730-00-442-7239.json