The Hose,air Duct, cataloged under National Stock Number 4720-01-541-2580, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4720-01-541-2580 |
| Primary Part Number | BACD40J10NHB08 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Bemco, Inc |
| Status | ACTIVE |
| Measuring Method and Length | 15.500 INCHES NOMINAL OVERALL IN |
| Temp Rating | -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF |
| Minimum Inside Bending Radius | 2.000 INCHES IN |
| Connection Style | ROUND BOTH ENDS |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Material Document and Classification | BMS8-17, TYPE 1, GRADE C, CLASS 2, FORM 3. ASSN STD ALL MATERIAL RESPONSES SECOND PLY |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.060 INCHES NOMINAL IN |
| Outside Diameter | 2.120 INCHES NOMINAL SECOND END IN |
| Operating Pressure | 12.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| End Inside Width | 2.000 INCHES NOMINAL SECOND END IN |
| Inside Diameter | 2.000 INCHES NOMINAL SECOND END IN |
| End Overall Length | 1.500 INCHES NOMINAL SECOND END IN |
| End Inside Diameter | 2.500 INCHES NOMINAL FIRST END IN |
| Material | FIBERGLASS REINFORCING WIRE |
| 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 |
|---|---|
| BACD40J10NHB08 | Bemco, Inc (USA) |
| Reference | Meaning |
|---|---|
| BACD40J10NHB08 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-541-2580 is a Hose,air Duct, manufactured by Bemco, Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-541-2580 has 1 manufacturer part number on file: BACD40J10NHB08 (Bemco, Inc).
Key specifications for BACD40J10NHB08: Measuring Method and Length: 15.500 INCHES NOMINAL OVERALL IN; Temp Rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF; Minimum Inside Bending Radius: 2.000 INCHES IN; Connection Style: ROUND BOTH ENDS. 16 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.