The Hose,air Duct, cataloged under National Stock Number 4720-01-440-5405, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-440-5405 |
| Primary Part Number | 12366424-1 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Measuring Method and Length | 5.000 INCHES NOMINAL OVERALL IN |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | SLEEVE SECTION |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Inside Diameter | 1.500 INCHES NOMINAL FIRST END IN |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q 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 |
|---|---|
| 12366424-1 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| 12366424-1 | Amz Alabama Inc. (USA) |
| 12366424-1 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12366424 | D/9 Drawing number reference only Bae Systems Land & Armaments L.p. |
NSN 4720-01-440-5405 is a Hose,air Duct, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-440-5405 has 3 manufacturer part numbers on file: 12366424-1 (Bae Systems Land & Armaments L.p.), 12366424-1 (Amz Alabama Inc.), 12366424-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-560-1595. Verify interchangeability with system specifications before substitution.
Key specifications for 12366424-1: Measuring Method and Length: 5.000 INCHES NOMINAL OVERALL IN; Connection Type: PLAIN BOTH ENDS; Style Designator: SLEEVE SECTION; Cross-Sectional Shape Style: ROUND. 7 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.