The Hose,air Duct, cataloged under National Stock Number 4720-00-679-4441, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Flexible Technologies Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-679-4441 |
| Primary Part Number | FT167-8-56 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Flexible Technologies Inc |
| Status | ACTIVE |
| Measuring Method and Length | 24.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 2.000 INCHES IN |
| Connection Style | ROUND FIRST END |
| Connection Type | SOFT FIRST END |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.055 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Operating Pressure | 5.0 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL LBS |
| Features Provided | OZONE RESISTANT |
| Inside Diameter | 2.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.000 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 2.125 INCHES NOMINAL BOTH ENDS IN |
| Material | STEEL REINFORCING WIRE |
| Material | COTTON SECOND PLY |
| Material | 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 |
|---|---|
| 9092594 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| FT167-8-56 PRIMARY | Flexible Technologies Inc (USA) |
NSN 4720-00-679-4441 is a Hose,air Duct, manufactured by Flexible Technologies Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-679-4441 has 2 manufacturer part numbers on file: 9092594 (U S Army Tank Automotive Command Amsta-Im-Mm), FT167-8-56 (Flexible Technologies Inc).
Key specifications for FT167-8-56: Measuring Method and Length: 24.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 2.000 INCHES IN; Connection Style: ROUND FIRST END; Connection Type: SOFT FIRST END. 15 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.