The Hose,air Duct, cataloged under National Stock Number 4720-00-020-6146, 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 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-020-6146 |
| Primary Part Number | FT2151-4-34 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Flexible Technologies Inc |
| Status | ACTIVE |
| Measuring Method and Length | 0.563 INCHES NOMINAL OVERALL 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 |
| End Overall Length | 1.500 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 1.000 INCHES NOMINAL FIRST END IN |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR THIRD PLY |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FIRST PLY |
| Material | PLASTIC POLYAMIDE NYLON SECOND 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 |
|---|---|
| FT2151-4-34 PRIMARY | Flexible Technologies Inc (USA) |
NSN 4720-00-020-6146 is a Hose,air Duct, manufactured by Flexible Technologies Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-020-6146 has 1 manufacturer part number on file: FT2151-4-34 (Flexible Technologies Inc).
Key specifications for FT2151-4-34: Measuring Method and Length: 0.563 INCHES NOMINAL OVERALL IN; Connection Style: ROUND FIRST END; Connection Type: SOFT FIRST END; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED. 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.