The Hose,air Duct, cataloged under National Stock Number 4720-01-446-1745, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Sae International Dba Sae International. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-446-1745 |
| Primary Part Number | AS1543-06A32 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Measuring Method and Length | 3.500 INCHES NOMINAL OVERALL IN |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS |
| Material Document and Classification | AS1501 ASSN STD SINGLE MATERIAL RESPONSE SINGLE PLY |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.060 INCHES MAXIMUM IN |
| Specification/standard Data | 81343-AS1543 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 2 TYPE AND 4 FORM |
| Inside Diameter | 7.000 INCHES NOMINAL FIRST END IN |
| Material | RUBBER SILICONE CLASS Q AND PLASTIC POLYAMIDE NYLON 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 |
|---|---|
| AS1543-06A32 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS1501 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS1543-06A32 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4720-01-446-1745 is a Hose,air Duct, manufactured by Sae International Dba Sae International, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-446-1745 has 1 manufacturer part number on file: AS1543-06A32 (Sae International Dba Sae International).
Key specifications for AS1543-06A32: Measuring Method and Length: 3.500 INCHES NOMINAL OVERALL IN; Connection Type: PLAIN BOTH ENDS; Style Designator: FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS; Material Document and Classification: AS1501 ASSN STD SINGLE MATERIAL RESPONSE SINGLE PLY. 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.