The Hose Assembly,air Duct, cataloged under National Stock Number 4720-00-376-6476, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Smith and Smith Aircraft Co. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4720-00-376-6476 |
| Primary Part Number | 200-42008 |
| Item Name | Hose Assembly,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Smith and Smith Aircraft Co |
| Status | ACTIVE |
| Connection Style | OVAL FIRST END |
| Connection Type | COUPLING SECOND END |
| Connection Type | PREFORMED FIRST END |
| Style Designator | FULLY CONVOLUTED |
| Coupling Style | PLAIN FLANGE SECOND END |
| Cross-Sectional Shape Style | OVAL |
| Wall Thickness | 0.250 INCHES NOMINAL IN |
| End Inside Width | 4.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.000 INCHES NOMINAL FIRST END IN |
| End Inside Length | 10.750 INCHES NOMINAL FIRST END IN |
| Material | ALUMINUM FIRST END COUPLING |
| Material | COTTON AND RUBBER SYNTHETIC SINGLE PLY |
| 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 |
|---|---|
| 200-42008 PRIMARY | Smith and Smith Aircraft Co (USA) |
| Reference | Meaning |
|---|---|
| 200-42008 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-00-376-6476 is a Hose Assembly,air Duct, manufactured by Smith and Smith Aircraft Co, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-376-6476 has 1 manufacturer part number on file: 200-42008 (Smith and Smith Aircraft Co).
Key specifications for 200-42008: Connection Style: OVAL FIRST END; Connection Type: COUPLING SECOND END; Connection Type: PREFORMED FIRST END; Style Designator: FULLY CONVOLUTED. 12 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.