The Hose,preformed, cataloged under National Stock Number 4720-01-083-4446, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Dressta North America Ltd. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-083-4446 |
| Primary Part Number | 407406R1 |
| Item Name | Hose,preformed |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Style Designator | STRAIGHT |
| Wall Thickness | 0.172 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| Inside Diameter | 3.500 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC COVER |
| Material | RUBBER SYNTHETIC OVERALL |
| Working Length | 12.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| 407406R1 PRIMARY | Dressta North America Ltd (USA) |
| 154900H1 | Komatsu America Corp. (USA) |
| 407406R1 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 407406R1 | 3/9 Design control — primary reference Komatsu American Intl Co |
| 154900H1 | 5/9 Secondary reference Komatsu American Intl Co |
NSN 4720-01-083-4446 is a Hose,preformed, manufactured by Dressta North America Ltd, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-083-4446 has 3 manufacturer part numbers on file: 407406R1 (Dressta North America Ltd), 154900H1 (Komatsu America Corp.), 407406R1 (Komatsu America Corp.).
Key specifications for 407406R1: Style Designator: STRAIGHT; Wall Thickness: 0.172 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN; Inside Diameter: 3.500 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC COVER. 6 specifications are documented in the U.S. Government catalog.
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.