The Hose,air Duct, cataloged under National Stock Number 4720-01-526-0524, 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 14 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-526-0524 |
| Primary Part Number | BACD40A06-040-5A24 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Bemco, Inc |
| Status | ACTIVE |
| Measuring Method and Length | 10.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -75.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF |
| Connection Style | ROUND FIRST END |
| Connection Type | SOFT BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.100 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN |
| Outside Diameter | 1.800 INCHES MAXIMUM BOTH ENDS IN |
| Operating Pressure | 12.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Specification/standard Data | 81205 - BACD40A MANUFACTURERS STANDARD |
| Nondefinitive Spec/std Data | 1 CLASS |
| Inside Diameter | 1.500 INCHES NOMINAL BOTH ENDS IN |
| End Overall Length | 1.250 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 1.500 INCHES NOMINAL BOTH ENDS 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 |
|---|---|
| BACD40A06-040-5A24 | Bemco, Inc (USA) |
| BACD40A06-040-5A24 | Flexfab Llc (USA) |
| Reference | Meaning |
|---|---|
| BACD40A06-040-5A24 | 5/2 Secondary reference U.S. Government activity |
| BACD40A06-040-5A24 | 5/2 Secondary reference U.S. Government activity |
| BACD40A06-040-5A24 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-526-0524 is a Hose,air Duct, manufactured by Bemco, Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-526-0524 has 2 manufacturer part numbers on file: BACD40A06-040-5A24 (Bemco, Inc), BACD40A06-040-5A24 (Flexfab Llc).
Key specifications for BACD40A06-040-5A24: Measuring Method and Length: 10.000 INCHES NOMINAL OVERALL IN; Temp Rating: -75.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF; Connection Style: ROUND FIRST END; Connection Type: SOFT BOTH ENDS. 14 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.