The Nut,tube Coupling, cataloged under National Stock Number 4730-01-534-2559, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Manitowoc Crane Group Germany Gmbh (CAGE D0394); Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (CAGE 30780); Manitowoc Crane Group Australia Pty Ltd (CAGE Z0EJ6) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-534-2559 |
| Primary Part Number | 4 HL6-S |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| 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 |
|---|---|
| 9999100846 | Manitowoc Crane Group Germany Gmbh (DEU) |
| 4 HL6-S PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 9-999-100846 | Manitowoc Crane Group Australia Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 4 HL6-S | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
NSN 4730-01-534-2559 is a Nut,tube Coupling, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-534-2559 has 3 manufacturer part numbers on file: 9999100846 (Manitowoc Crane Group Germany Gmbh), 4 HL6-S (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 9-999-100846 (Manitowoc Crane Group Australia Pty Ltd).
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.