The Hose,air Duct, cataloged under National Stock Number 4720-00-289-4558, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hbd Industries, Inc Div Hbd/thermoid Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-00-289-4558 |
| Primary Part Number | CATS6-88-4 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hbd Industries, Inc Div Hbd/thermoid Inc |
| Status | ACTIVE |
| Measuring Method and Length | 22.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 0.750 INCHES IN |
| Connection Style | ROUND BOTH ENDS |
| Connection Type | SOFT BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 1.156 INCHES NOMINAL IN |
| Inside Diameter | 1.500 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.000 INCHES NOMINAL BOTH ENDS IN |
| Material | STEEL REINFORCING WIRE |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FIRST 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 |
|---|---|
| CATS6-88-4 PRIMARY | Hbd Industries, Inc Div Hbd/thermoid Inc (USA) |
| 3-1655-12-88-4 PRIMARY | Arrowhead Products Corp (USA) |
| NW2WS6-88-4 | Bemco, Inc (USA) |
| 235-1057-18 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 235-1057-18 | 5/9 Secondary reference Shay Industries |
| 235-1057-18 | 5/9 Secondary reference Beechcraft Corporation Dba Textron Aviation |
NSN 4720-00-289-4558 is a Hose,air Duct, manufactured by Hbd Industries, Inc Div Hbd/thermoid Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-289-4558 has 4 manufacturer part numbers on file: CATS6-88-4 (Hbd Industries, Inc Div Hbd/thermoid Inc), 3-1655-12-88-4 (Arrowhead Products Corp), NW2WS6-88-4 (Bemco, Inc), 235-1057-18 (Textron Aviation Inc).
Key specifications for CATS6-88-4: Measuring Method and Length: 22.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 0.750 INCHES IN; Connection Style: ROUND BOTH ENDS; Connection Type: SOFT BOTH ENDS. 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.