# NSN 4730-01-233-3434: Coupling Half, Quick Disconnect

NSN 4730-01-233-3434 (also written 4730012333434; NIIN 01-233-3434) is a coupling half, quick disconnect in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 6 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4730-01-233-3434 (4730012333434)
- NIIN: 01-233-3434 (012333434)
- Item name: COUPLING HALF,QUICK DISCONNECT
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADLN | QUICK DISCONNECT METHOD | ALL ENDS PUSH-PULL |
| AHNC | CONNECTION STYLE | — |
| AHSJ | LEG LENGTH | INCHES NOMINAL 1.375 |
| AWLS | CONNECTION TYPE | ALL ENDS INTERNAL QUICK DISCONNECT |
| AWLS | CONNECTION TYPE | FIRST FLUID END CONNECTION UNTHREADED EXTERNAL HOSE |
| CWDW | NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED | ALL ENDS INCHES 0.500 |
| MATT | MATERIAL | BODY STEEL |
| STYL | STYLE DESIGNATOR | — |
| ZZZK | SPECIFICATION/STANDARD DATA | PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION 58536-A-A-59439 |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE 2 AND CLASS C AND STYLE 2 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| A-A-59439 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AA59439-014-16-00-C | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AA59439-14-16-00C | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B-54 | 56529 | HYDRAULICS INTERNATIONAL, INC. DBA HYDRAULICS INTERNATIONAL INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M4109-14-16-00C | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-C-4109 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-29 | [SPE7M526D62QJ/SPE7M526F3196](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730012333434) | COUPLING HALF, QUICK DISCONNECT | — | $816.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730012333434&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730012333434
- 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/4730-01-233-3434/
JSON: https://nsnexplorer.com/api/nsn/4730-01-233-3434.json