The Hose,air Duct, cataloged under National Stock Number 4720-01-103-9805, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Boeing Aerostructures Australiapty Ltd. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-103-9805 |
| Primary Part Number | 33-53302-5 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Boeing Aerostructures Australiapty Ltd |
| Status | ACTIVE |
| Measuring Method and Length | 3.000 INCHES NOMINAL OVERALL IN |
| Connection Type | PLAIN FIRST END |
| Style Designator | SLEEVE SECTION |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Operating Pressure | 15.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Features Provided | STOWAGE DEVICE |
| Inside Diameter | 5.000 INCHES NOMINAL FIRST END IN |
| Material | PLASTIC POLYAMIDE NYLON 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 |
|---|---|
| 33-53302-5 | Boeing Aerostructures Australiapty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| LS1611A20-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-103-9805 is a Hose,air Duct, manufactured by Boeing Aerostructures Australiapty Ltd, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-103-9805 has 1 manufacturer part number on file: 33-53302-5 (Boeing Aerostructures Australiapty Ltd).
Key specifications for 33-53302-5: Measuring Method and Length: 3.000 INCHES NOMINAL OVERALL IN; Connection Type: PLAIN FIRST END; Style Designator: SLEEVE SECTION; Cross-Sectional Shape Style: ROUND. 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.