The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-328-1028, 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 Dover Fluid Management, Inc. Div Dover Resources Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Dover Fluid Management, Inc. Div Dover Resources Inc. (CAGE 1D9T5) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-328-1028 |
| Primary Part Number | 1662AN-2 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dover Fluid Management, Inc. Div Dover Resources Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 1662AN-2 PRIMARY | Dover Fluid Management, Inc. Div Dover Resources Inc. (USA) |
| 1662-A-2 PRIMARY | Dover Fluid Management, Inc. Div Dover Resources Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1662-A-2 | 5/9 Secondary reference Dover Resources Inc Dba Opw Engineered Systems |
| 1662AN-2 | 5/9 Secondary reference U.S. Government activity |
| 1662-A-2 | 5/9 Secondary reference U.S. Government activity |
| 1662AN-2 | 5/9 Secondary reference Dover Resources Inc Dba Opw Engineered Systems |
NSN 4730-01-328-1028 is a Coupling Half,quick Disconnect, manufactured by Dover Fluid Management, Inc. Div Dover Resources Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-328-1028 has 2 manufacturer part numbers on file: 1662AN-2 (Dover Fluid Management, Inc. Div Dover Resources Inc.), 1662-A-2 (Dover Fluid Management, Inc. Div Dover Resources Inc.).
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.