The Hose,air Duct, cataloged under National Stock Number 4720-01-159-8668, 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 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4720-01-159-8668 |
| Primary Part Number | M-KE-6IN.ID |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Flexible Technologies Inc |
| Status | ACTIVE |
| Connection Type | PLAIN FIRST END |
| Style Designator | SLEEVE SECTION |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 1.250 INCHES NOMINAL IN |
| Inside Diameter | 6.000 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 |
|---|---|
| M-KE-6IN.ID PRIMARY | Flexible Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| M-KE 6IN.ID | 5/9 Secondary reference Automation Industries Inc Flexible Tubing Div |
NSN 4720-01-159-8668 is a Hose,air Duct, manufactured by Flexible Technologies Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-159-8668 has 1 manufacturer part number on file: M-KE-6IN.ID (Flexible Technologies Inc).
Key specifications for M-KE-6IN.ID: Connection Type: PLAIN FIRST END; Style Designator: SLEEVE SECTION; Cross-Sectional Shape Style: ROUND; Wall Thickness: 1.250 INCHES NOMINAL IN. 5 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.