The Hose Assembly,air Duct, cataloged under National Stock Number 4720-01-203-6947, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hydraflow. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4720-01-203-6947 |
| Primary Part Number | 37001-29-1 |
| Item Name | Hose Assembly,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hydraflow |
| Status | ACTIVE |
| Measuring Method and Length | 18.000 INCHES NOMINAL OVERALL IN |
| Connection Type | COUPLING FIRST END |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Coupling Style | PLAIN FLANGE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.065 INCHES NOMINAL IN |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Features Provided | SCUFF STRIP |
| Inside Diameter | 0.250 INCHES NOMINAL FIRST END IN |
| Material | PLASTIC SINGLE PLY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 37001-29-1 PRIMARY | Hydraflow (USA) |
| Reference | Meaning |
|---|---|
| 10-60174-29 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4720-01-203-6947 is a Hose Assembly,air Duct, manufactured by Hydraflow, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-203-6947 has 1 manufacturer part number on file: 37001-29-1 (Hydraflow).
Key specifications for 37001-29-1: Measuring Method and Length: 18.000 INCHES NOMINAL OVERALL IN; Connection Type: COUPLING FIRST END; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED; Coupling Style: PLAIN FLANGE FIRST END. 10 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.
NSN 4720-01-203-6947 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.