The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-686-1983, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003); Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co (CAGE 14127) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-686-1983 |
| Primary Part Number | FM6406W |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3970AS400-1 ITEM 66 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| FM6406W PRIMARY | Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co (USA) |
NSN 4730-01-686-1983 is a Coupling Half,quick Disconnect, manufactured by Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-686-1983 has 2 manufacturer part numbers on file: 3970AS400-1 ITEM 66 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), FM6406W (Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.