# NSN 4730-00-277-5680: Coupling Half, Quick Disconnect

NSN 4730-00-277-5680 (also written 4730002775680; NIIN 00-277-5680) is a coupling half, quick disconnect in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 4 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4730-00-277-5680 (4730002775680)
- NIIN: 00-277-5680 (002775680)
- 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 |
| --- | --- | --- |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY MIL SPEC SINGLE MATERIAL RESPONSE -IL-C-3486,TB 1 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 2.000 |
| AHSJ | LEG LENGTH | INCHES NOMINAL 0.625 |
| ADLP | QUICK DISCONNECT NOMINAL SIZE | ALL ENDS INCHES 0.781 |
| AWLS | CONNECTION TYPE | ALL ENDS INTERNAL QUICK DISCONNECT |
| ADLN | QUICK DISCONNECT METHOD | ALL ENDS TWIST-LOCK |
| STYL | STYLE DESIGNATOR | — |
| AWLS | CONNECTION TYPE | FIRST FLUID END CONNECTION THREADED EXTERNAL PIPE |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS NPT |
| MATT | MATERIAL | BODY COPPER ALLOY |
| AGAV | END ITEM IDENTIFICATION | NAVAL APPLICATIONS |
| CQJX | NOMINAL THREAD SIZE | ALL ENDS INCHES 0.500 |
| AHNC | CONNECTION STYLE | — |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | CLASS OF |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| A-A-50431 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AA50431-OFBZC10 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AA50431, CLASS OF, SIZE 1/2 INCH | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MILC3486CLASS0F | 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/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-21 | $500.00 | 2 | BURKE PRODUCTS INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730002775680) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-21 | [SPE7M227V0292](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730002775680) | COUPLING HALF, QUICK | BURKE PRODUCTS INC | $1,000.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730002775680&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730002775680
- 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/4730-00-277-5680/
JSON: https://nsnexplorer.com/api/nsn/4730-00-277-5680.json