The Hose,air Duct, cataloged under National Stock Number 4720-01-452-1014, 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 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-452-1014 |
| Primary Part Number | BE249-60 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Bemco, Inc |
| Status | ACTIVE |
| Measuring Method and Length | 60.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 16.000 INCHES IN |
| Connection Style | ROUND BOTH ENDS |
| Connection Type | SOFT BOTH ENDS |
| Style Designator | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.550 INCHES NOMINAL IN |
| Operating Pressure | 4.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Inside Diameter | 8.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 3.000 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 8.000 INCHES NOMINAL BOTH ENDS IN |
| Material | STEEL CORROSION RESISTING FIRST PLY |
| Material | FIBERGLASS FOURTH PLY |
| Material | FIBERGLASS THIRD PLY |
| Material | STEEL CORROSION RESISTING SECOND 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 |
|---|---|
| BE249-60 PRIMARY | Bemco, Inc (USA) |
| Reference | Meaning |
|---|---|
| FT-2762-32-60 | 5/9 Secondary reference Automation Industries Inc Flexible Tubing Div |
| BACD40H32-60 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-452-1014 is a Hose,air Duct, manufactured by Bemco, Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-452-1014 has 1 manufacturer part number on file: BE249-60 (Bemco, Inc).
Key specifications for BE249-60: Measuring Method and Length: 60.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 16.000 INCHES IN; Connection Style: ROUND BOTH ENDS; Connection Type: SOFT BOTH ENDS. 15 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.