The Hose,air Duct, cataloged under National Stock Number 4720-00-809-0595, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Bemco, Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-809-0595 |
| Primary Part Number | BE403-6 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Bemco, Inc |
| Status | ACTIVE |
| Measuring Method and Length | 3.400 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 14.000 INCHES IN |
| Connection Style | ROUND FIRST END |
| Connection Type | SOFT FIRST END |
| Style Designator | FULLY CONVOLUTED |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.060 INCHES NOMINAL IN |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Features Provided | OZONE RESISTANT |
| Inside Diameter | 7.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 0.220 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 7.000 INCHES NOMINAL FIRST END IN |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR 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 |
|---|---|
| BE403-6 PRIMARY | Bemco, Inc (USA) |
| OBW147-6 PRIMARY | Flexfab Llc (USA) |
| MM-C0005-001 | Raytheon E-Systems, Inc (USA) |
| Reference | Meaning |
|---|---|
| BE403-6 | 5/9 Secondary reference U.S. Government activity |
| 10-20353-6 | 5/2 Secondary reference U.S. Government activity |
| 10-20353-6 | 5/2 Secondary reference U.S. Government activity |
NSN 4720-00-809-0595 is a Hose,air Duct, manufactured by Bemco, Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-809-0595 has 3 manufacturer part numbers on file: BE403-6 (Bemco, Inc), OBW147-6 (Flexfab Llc), MM-C0005-001 (Raytheon E-Systems, Inc).
Key specifications for BE403-6: Measuring Method and Length: 3.400 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 14.000 INCHES IN; Connection Style: ROUND FIRST END; Connection Type: SOFT FIRST END. 13 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.