# NSN 4730-00-580-2656: Coupling Half, Quick Disconnect

NSN 4730-00-580-2656 (also written 4730005802656; NIIN 00-580-2656) is a coupling half, quick disconnect 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 Aug 2026.

## Identification

- NSN: 4730-00-580-2656 (4730005802656)
- NIIN: 00-580-2656 (005802656)
- 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 H: the government lacks sufficient, accurate or legible data to buy from other sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADLN | QUICK DISCONNECT METHOD | ALL ENDS PUSH-PULL |
| AHNC | CONNECTION STYLE | — |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 2.031 |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS NPTF |
| ADLP | QUICK DISCONNECT NOMINAL SIZE | ALL ENDS INCHES 0.500 |
| CBBL | FEATURES PROVIDED | SAFETY LOCKING FEATURE |
| CQJX | NOMINAL THREAD SIZE | ALL ENDS INCHES 0.500 |
| MATT | MATERIAL | BODY COPPER ALLOY |
| STYL | STYLE DESIGNATOR | — |
| AHSJ | LEG LENGTH | INCHES MINIMUM 0.562 AND INCHES MAXIMUM 0.750 |
| AWLS | CONNECTION TYPE | ALL ENDS INTERNAL QUICK DISCONNECT |
| AWLS | CONNECTION TYPE | FIRST FLUID END CONNECTION THREADED EXTERNAL PIPE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4S25 | 73992 | TUTHILL CORP HANSEN COUPLING DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 50MS | 14127 | FOSTER MANUFACTURING CO, INC. DBA FOSTER MANUFACTURING CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BST-4M | 78JK3 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV QUICK COUPLING DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BST-4M | 97111 | PARKER-HANNIFIN CORPORATION DIV QUICK COUPLING DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-08-27 | $23.54 | 3 | 7H973 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730005802656) |
| 2026-08-17 | $23.54 | 4 | 7H973 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730005802656) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-27 | [SPE7M026P4412](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730005802656) | COUPLING HALF, QUICK | — | $70.62 |
| 2026-08-17 | [SPE7M026P4270](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730005802656) | COUPLING HALF, QUICK | — | $94.16 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730005802656&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730005802656
- 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/4730-00-580-2656/
JSON: https://nsnexplorer.com/api/nsn/4730-00-580-2656.json