# NSN 4730-01-140-0510: Coupling Half, Quick Disconnect

NSN 4730-01-140-0510 (also written 4730011400510; NIIN 01-140-0510) is a coupling half, quick disconnect in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 7 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4730-01-140-0510 (4730011400510)
- NIIN: 01-140-0510 (011400510)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| ABHP | OVERALL LENGTH | INCHES MINIMUM 3.470 AND INCHES MAXIMUM 3.494 |
| ADLN | QUICK DISCONNECT METHOD | ALL ENDS PUSH-PULL |
| ADLP | QUICK DISCONNECT NOMINAL SIZE | ALL ENDS INCHES 1.312 |
| AHNC | CONNECTION STYLE | — |
| AHSJ | LEG LENGTH | INCHES MINIMUM 0.864 AND INCHES MAXIMUM 0.938 |
| AWLS | CONNECTION TYPE | FIRST QUICK DISCONNECT END QUICK DISCONNECT EXTERNAL |
| AWLS | CONNECTION TYPE | FIRST FLUID END CONNECTION THREADED EXTERNAL TUBE |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | ALL ENDS INCHES 1.062 |
| CQRB | SEAT ANGLE | DEGREES 37.0 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | ALL ENDS INCHES 0.750 |
| MATT | MATERIAL | BODY STEEL CORROSION RESISTING |
| SFTT | SURFACE TREATMENT | BODY PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BODY FED SPEC SINGLE TREATMENT RESPONSE QQ--35 |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS UNIFIED NATIONAL JOINT (UNJ) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2588789 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2588789-10 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2588789-10 | A9271 | GORIZIANE GROUP SPA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7603-059 | 7DU54 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV QUICK COUPLING DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7603-059 | 91561 | PARKER HANNIFIN CORPORATION DBA QUICK COUPLING DIV DIV QUICK COUPLING DIVISION BRUNING OPERATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7603-059 | 97111 | PARKER-HANNIFIN CORPORATION DIV QUICK COUPLING DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 91561-7603-059 | 30327 | IMPERIAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-23 | [SPE7M327P0159](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011400510) | COUPLING HALF, QUICK | MIDWAY INDUSTRIAL SUPPLY INC. | $4,984.98 |
| 2026-10-21 | [SPE7M327P0134](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011400510) | COUPLING HALF, QUICK | MIDWAY INDUSTRIAL SUPPLY INC. | $2,265.90 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730011400510&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011400510
- 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/4730-01-140-0510/
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