The Hose,air Duct, cataloged under National Stock Number 4720-01-545-8826, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is The Boeing Company Div Commercial. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-545-8826 |
| Primary Part Number | BACD40D24-12-2 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | The Boeing Company Div Commercial |
| Status | ACTIVE |
| Measuring Method and Length | 3.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | 300.0 FAHRENHEIT DEGF |
| Connection Style | ROUND BOTH ENDS |
| 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 |
| Operating Pressure | 1.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Inside Diameter | 6.000 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 |
|---|---|
| BACD40D24-12-2 PRIMARY | The Boeing Company Div Commercial (USA) |
| Reference | Meaning |
|---|---|
| BACD40D24-12-2 | 5/9 Secondary reference U.S. Government activity |
| BACD40D | D/9 Drawing number reference only U.S. Government activity |
NSN 4720-01-545-8826 is a Hose,air Duct, manufactured by The Boeing Company Div Commercial, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-545-8826 has 1 manufacturer part number on file: BACD40D24-12-2 (The Boeing Company Div Commercial).
Key specifications for BACD40D24-12-2: Measuring Method and Length: 3.000 INCHES NOMINAL OVERALL IN; Temp Rating: 300.0 FAHRENHEIT DEGF; Connection Style: ROUND BOTH ENDS; Connection Type: PLAIN BOTH ENDS. 9 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.