The Hose,nonmetallic, cataloged under National Stock Number 4720-01-646-9447, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-646-9447 |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 25.00 FEET NOMINAL EXCLUDING END FITTINGS FT |
| Minimum Inside Bending Radius | 16.00 INCHES IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 4.75 INCHES NOMINAL IN |
| Operating Pressure | 75.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Exterior Color | TAN OR BLACK |
| Inside Diameter | 4.00 INCHES NOMINAL IN |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Burst Test Pressure | 300.00 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS |
| Outer Covering Environmental Protection | AGE RESISTANT AND CRUSH RESISTANT AND PETROLEUM RESISTANT |
| Inner Conveying Tube Style | PLAIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| M370B090O0250 | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-370 | 4/1 Identification reference U.S. Government activity |
NSN 4720-01-646-9447 is a Hose,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-646-9447: Measuring Method and Length: 25.00 FEET NOMINAL EXCLUDING END FITTINGS FT; Minimum Inside Bending Radius: 16.00 INCHES IN; Cross-Sectional Shape Style: ROUND; Outside Diameter: 4.75 INCHES NOMINAL IN. 11 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.