# NSN 4730-00-533-3740: Coupling, Tube

NSN 4730-00-533-3740 (also written 4730005333740; NIIN 00-533-3740) 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 Sep 2026.

## Identification

- NSN: 4730-00-533-3740 (4730005333740)
- NIIN: 00-533-3740 (005333740)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MEDA | MEDIA FOR WHICH DESIGNED | SECOND RESPONSE AIR |
| STYL | STYLE DESIGNATOR | — |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 3.156 |
| CWFK | TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED | FIRST END INCHES 0.238 |
| MATT | MATERIAL | BODY ALUMINUM ALLOY OR ALUMINUM |
| MATT | MATERIAL | GASKET RUBBER SYNTHETIC |
| AWLS | CONNECTION TYPE | ALL ENDS UNTHREADED INTERNAL TUBE |
| CWFK | TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED | SECOND END INCHES 0.220 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | ALL ENDS INCHES 3.000 |
| TMQY | FURNISHED ITEMS AND QUANTITY | PREFORMED PACKING 2 |
| AHNC | CONNECTION STYLE | — |
| MEDA | MEDIA FOR WHICH DESIGNED | FIRST RESPONSE FLUID |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 12A425S-300 | A0170 | LEONARDO SPA AERONAUTICS DIVISION - POMIGLIANO D'ARCO SITE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 12A425S300 | 14711 | RSA ENGINEERED PRODUCTS, LLC DBA RSA ENGINEERED PRODUCTS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 234-025-9005 | 70210 | HONEYWELL INTERNATIONAL INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4730PL2334015 | 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 |
| --- | --- | --- | --- | --- |
| 2026-09-01 | [SPE7M326V4394](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730005333740) | COUPLING, TUBE | FBC ENTERPRISES LLC | $26,195.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730005333740&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730005333740
- 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/4730-00-533-3740/
JSON: https://nsnexplorer.com/api/nsn/4730-00-533-3740.json