The Hose,air Duct, cataloged under National Stock Number 4720-01-246-2302, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-246-2302 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 5.000 INCHES NOMINAL OVERALL IN |
| Connection Style | ROUND SECOND END |
| Connection Type | PLAIN FIRST END |
| Connection Type | SOFT SECOND END |
| Style Designator | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.010 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Inside Diameter | 2.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.000 INCHES NOMINAL SECOND END IN |
| End Inside Diameter | 0.750 INCHES NOMINAL SECOND END IN |
| Material | STEEL REINFORCING WIRE |
| Material | COTTON 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 |
| Reference | Meaning |
|---|---|
| NAS1369 | 3/1 Design control — primary reference U.S. Government activity |
| NAS1375A08SF020 | 3/2 Design control — primary reference U.S. Government activity |
| BACD40A8-20-5A4B | 5/1 Secondary reference U.S. Government activity |
NSN 4720-01-246-2302 is a Hose,air Duct, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-246-2302: Measuring Method and Length: 5.000 INCHES NOMINAL OVERALL IN; Connection Style: ROUND SECOND END; Connection Type: PLAIN FIRST END; Connection Type: SOFT SECOND END. 12 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.