The Hose,air Duct, cataloged under National Stock Number 4720-01-560-4267, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Flexfab Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-560-4267 |
| Primary Part Number | DOU1071-1380020 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Flexfab Llc |
| Status | ACTIVE |
| Measuring Method and Length | 4.870 INCHES MINIMUM OVERALL AND 5.130 INCHES MAXIMUM OVERALL IN |
| Temp Rating | -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | SLEEVE SECTION |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Outside Diameter | 17.350 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 17.250 INCHES NOMINAL BOTH ENDS IN |
| Material | FIBERGLASS AND RUBBER NEOPRENE SINGLE 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 |
|---|---|
| DOU1071-1380020 PRIMARY | Flexfab Llc (USA) |
| IT-5038S69-20A PRIMARY | Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 7D0106S69-20A | 5/2 Secondary reference U.S. Government activity |
NSN 4720-01-560-4267 is a Hose,air Duct, manufactured by Flexfab Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-560-4267 has 2 manufacturer part numbers on file: DOU1071-1380020 (Flexfab Llc), IT-5038S69-20A (Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc).
Key specifications for DOU1071-1380020: Measuring Method and Length: 4.870 INCHES MINIMUM OVERALL AND 5.130 INCHES MAXIMUM OVERALL IN; Temp Rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Connection Type: PLAIN BOTH ENDS; Style Designator: SLEEVE SECTION. 9 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.