The Hose,air Duct, cataloged under National Stock Number 4720-00-403-1433, 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 Defense. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-403-1433 |
| Primary Part Number | 32-83208-3 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Measuring Method and Length | 10.600 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 1.750 INCHES IN |
| Connection Style | ROUND BOTH ENDS |
| Connection Type | SOFT BOTH ENDS |
| Style Designator | FULLY CONVOLUTED |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 8.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Specification/standard Data | 81349-MIL-H-8796 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 2 CLASS AND 1 TYPE |
| Inside Diameter | 1.750 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.250 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 1.750 INCHES NOMINAL BOTH ENDS IN |
| Material | FIBERGLASS AND RUBBER SYNTHETIC 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 |
|---|---|
| 32-83208-3 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS8796 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MIL-H-8796 | 5/9 Secondary reference U.S. Government activity |
| 32-83208-23 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Defense |
NSN 4720-00-403-1433 is a Hose,air Duct, manufactured by The Boeing Company Div Defense, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-403-1433 has 1 manufacturer part number on file: 32-83208-3 (The Boeing Company Div Defense).
Key specifications for 32-83208-3: Measuring Method and Length: 10.600 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 1.750 INCHES IN; Connection Style: ROUND BOTH ENDS; Connection Type: SOFT BOTH ENDS. 13 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.