# NSN 4730-00-068-6552: Coupling Assembly, Quick Disconne

NSN 4730-00-068-6552 (also written 4730000686552; NIIN 00-068-6552) is a coupling assembly, quick disconne in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 5 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4730-00-068-6552 (4730000686552)
- NIIN: 00-068-6552 (000686552)
- Item name: COUPLING ASSEMBLY,QUICK DISCONNE
- 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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| THSD | THREAD SERIES DESIGNATOR | FIRST FLUID END CONNECTION NPT |
| STYL | STYLE DESIGNATOR | — |
| CQQF | OPERATING PRESSURE | FIRST RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 2000.0 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 2000.0 |
| MATT | MATERIAL | OVERALL STEEL |
| ADLN | QUICK DISCONNECT METHOD | ALL ENDS SPRING PUSH-PULL |
| ADLP | QUICK DISCONNECT NOMINAL SIZE | ALL ENDS INCHES 0.734 |
| AEHZ | MAXIMUM OPERATING TEMP | FIRST RESPONSE FAHRENHEIT 40.0 |
| SFTT | SURFACE TREATMENT | OVERALL ZINC |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | FIRST FLUID END CONNECTION INCHES 0.375 |
| ABHP | OVERALL LENGTH | INCHES MINIMUM 2.800 AND INCHES MAXIMUM 3.250 |
| AHNC | CONNECTION STYLE | — |
| AHSJ | LEG LENGTH | INCHES MINIMUM 1.625 |
| AWLS | CONNECTION TYPE | FIRST FLUID END CONNECTION THREADED INTERNAL PIPE |
| CBBL | FEATURES PROVIDED | SELF-SEALING |
| CQJX | NOMINAL THREAD SIZE | FIRST FLUID END CONNECTION INCHES 0.375 |
| AEHZ | MAXIMUM OPERATING TEMP | THIRD RESPONSE FAHRENHEIT 250.0 |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 250.0 |
| AEHZ | MAXIMUM OPERATING TEMP | SECOND RESPONSE FAHRENHEIT 250.0 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10503877 | 56161 | GENERAL DYNAMICS LAND SYSTEMS CANADACORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 19082P11 | 27618 | TAYLOR MACHINE WORKS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4000-3 | 97111 | PARKER-HANNIFIN CORPORATION DIV QUICK COUPLING DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4000-3P | 7DU54 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV QUICK COUPLING DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5600-6-6S | 01276 | DANFOSS POWER SOLUTIONS II, LLC DIV FLUID CONVEYANCE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-02 | $38.05 | 70 | ROBECK FLUID POWER CO. DBA ROBECK FLUID POWER CO | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730000686552) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE7M326V4433](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730000686552) | COUPLING ASSEMBLY, QUICK DISCONNECT | ROBECK FLUID POWER CO. DBA ROBECK FLUID POWER CO | $2,663.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730000686552&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730000686552
- 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/4730-00-068-6552/
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