The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-515-1906, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 19 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-515-1906 |
| Primary Part Number | 594-7284978-F223 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES SECOND END |
| Temp Rating | -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 25.000 INCHES IN |
| End Connection Design | ELBOW SECOND END |
| End Connection Design | STRAIGHT FIRST END |
| Connection Type | THREADED EXTERNAL BOSS FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 2.750 INCHES NOMINAL IN |
| Operating Pressure | 1125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 3.062 INCHES SECOND END IN |
| Nominal Thread Size | 3.062 INCHES FIRST END IN |
| Inside Diameter | 2.000 INCHES NOMINAL IN |
| Burst Test Pressure | 4500.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 12 SECOND END |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | UN SECOND END |
| 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 |
|---|---|
| 594-7284978-F223 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 801-6640963 ASSY 154 | 5/9 Secondary reference Naval Sea Systems Command |
| 2633-225-01 ASSY 154 | 5/9 Secondary reference U.S. Government activity |
| H521-1905-F223 | 5/2 Secondary reference U.S. Government activity |
| 2633-225-01 ASSY 275 | 5/2 Secondary reference U.S. Government activity |
| 6640963 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4720-01-515-1906 is a Hose Assembly,nonmetallic, manufactured by Naval Sea Systems Command, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-515-1906 has 1 manufacturer part number on file: 594-7284978-F223 (Naval Sea Systems Command).
Key specifications for 594-7284978-F223: Flow Angle: 90.0 DEGREES SECOND END; Temp Rating: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 25.000 INCHES IN; End Connection Design: ELBOW SECOND END. 19 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.