The Hose,air Duct, cataloged under National Stock Number 4720-00-289-4546, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Textron Aviation Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-00-289-4546 |
| Primary Part Number | 235-1057-8 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Hose Weight | 3.060 OUNCES PER LINEAR FOOT OZ |
| Measuring Method and Length | 41.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 0.500 INCHES IN |
| Connection Style | ROUND FIRST END |
| Connection Type | SOFT FIRST END |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Features Provided | OZONE RESISTANT |
| Inside Diameter | 1.500 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.000 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 1.500 INCHES NOMINAL FIRST END IN |
| 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 |
|---|---|
| CEETS6-164-4 | Hbd Industries, Inc Div Hbd/thermoid Inc (USA) |
| 235-1057-8 PRIMARY | Textron Aviation Inc (USA) |
| 3-1664-12-164-4 | Arrowhead Products Corp (USA) |
| NW2W2S6-164-4 | Bemco, Inc (USA) |
| 0206-0150-0128 PRIMARY | Flexible Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 235-1057-8 | 5/9 Secondary reference Shay Industries |
| 235-1057-8 | 5/9 Secondary reference Beechcraft Corporation Dba Textron Aviation |
NSN 4720-00-289-4546 is a Hose,air Duct, manufactured by Textron Aviation Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-289-4546 has 5 manufacturer part numbers on file: CEETS6-164-4 (Hbd Industries, Inc Div Hbd/thermoid Inc), 235-1057-8 (Textron Aviation Inc), 3-1664-12-164-4 (Arrowhead Products Corp), NW2W2S6-164-4 (Bemco, Inc), 0206-0150-0128 (Flexible Technologies Inc).
Key specifications for 235-1057-8: Hose Weight: 3.060 OUNCES PER LINEAR FOOT OZ; Measuring Method and Length: 41.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 0.500 INCHES IN; Connection Style: ROUND FIRST END. 11 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.