# NSN 4730-01-449-2621: Coupling Half, Quick Disconnect

NSN 4730-01-449-2621 (also written 4730014492621; NIIN 01-449-2621) is a coupling half, quick disconnect in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 4730-01-449-2621 (4730014492621)
- NIIN: 01-449-2621 (014492621)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 2.280 |
| ADLN | QUICK DISCONNECT METHOD | FIRST QUICK DISCONNECT END SPRING PUSH-PULL |
| AGAV | END ITEM IDENTIFICATION | F-15S AIRCRAFT |
| AWLS | CONNECTION TYPE | FIRST QUICK DISCONNECT END INTERNAL QUICK DISCONNECT |
| CBBL | FEATURES PROVIDED | SAFETY LOCKING FEATURE |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | PLUG |
| FEAT | SPECIAL FEATURES | THE DOUBLE END SHUT-OFF (DESO) STEM SHOULD BE USED IN GAS SYSTEM;THE STEM HAS VALVE SHUT OFF WHEN UNCOUPLED |
| MATT | MATERIAL | BODY COPPER ALLOY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| B-QC6-D-6AN | 3T9T9 | SWAGELOK CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730014492621&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730014492621
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/4730-01-449-2621/
JSON: https://nsnexplorer.com/api/nsn/4730-01-449-2621.json