The Hose,air Duct, cataloged under National Stock Number 4720-01-526-1560, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Flexfab Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-526-1560 |
| Primary Part Number | BACD40D44-12-9 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Flexfab Llc |
| Status | ACTIVE |
| Measuring Method and Length | 3.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -75.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | SLEEVE SECTION |
| Material Document and Classification | BMS8-17 MFR REF SINGLE MATERIAL RESPONSE SINGLE PLY |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.040 INCHES NOMINAL IN |
| Operating Pressure | 4.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Inside Diameter | 11.000 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 |
|---|---|
| BACD40D44-12-9 | Flexfab Llc (USA) |
| Reference | Meaning |
|---|---|
| BACD40D44-12-9 | 5/2 Secondary reference U.S. Government activity |
| BACD40D44-12-9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-526-1560 is a Hose,air Duct, manufactured by Flexfab Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-526-1560 has 1 manufacturer part number on file: BACD40D44-12-9 (Flexfab Llc).
Key specifications for BACD40D44-12-9: Measuring Method and Length: 3.000 INCHES NOMINAL OVERALL IN; Temp Rating: -75.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF; Connection Type: PLAIN BOTH ENDS; Style Designator: SLEEVE SECTION. 10 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.