The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-239-1058, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4720-00-239-1058 |
| Primary Part Number | HF4120-422 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hydraflow |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES FIRST END |
| Measuring Method and Length | 3.470 INCHES NOMINAL WORKING IN |
| Connection Style | PUSH (EXTERNAL) FIRST END |
| End Connection Design | ELBOW FIRST END |
| Layer Composition and Location | OUTER LAYER CORRUGATED ALUMINUM ALLOY |
| Connection Type | EXTERNAL QUICK DISCONNECT FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.225 INCHES NOMINAL IN |
| Quick Disconnect Nominal Size | 0.740 INCHES FIRST END IN |
| Inside Diameter | 0.185 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Hydrostatic Test Pressure | 100.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 200.0 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| HF4120-422 PRIMARY | Hydraflow (USA) |
| Reference | Meaning |
|---|---|
| C3043-4-2-2 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4720-00-239-1058 is a Hose Assembly,nonmetallic, manufactured by Hydraflow, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-239-1058 has 1 manufacturer part number on file: HF4120-422 (Hydraflow).
Key specifications for HF4120-422: Flow Angle: 45.0 DEGREES FIRST END; Measuring Method and Length: 3.470 INCHES NOMINAL WORKING IN; Connection Style: PUSH (EXTERNAL) FIRST END; End Connection Design: ELBOW FIRST END. 13 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.