The Hose,nonmetallic, cataloged under National Stock Number 4720-01-433-8274, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-433-8274 |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Temp Rating | -1500.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 2.250 INCHES IN |
| Vacuum in Torr | 50.8 |
| Layer Composition and Location | 1ST LAYER FIBERGLASS CLOTH AND 2ND LAYER CORRUGATED COPPER AND OUTER LAYER RUBBER IMPREGNATED FABRIC |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.550 INCHES NOMINAL IN |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Hydrostatic Test Pressure | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS |
| Burst Test Pressure | 6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS |
| Outer Covering Environmental Protection | FUEL RESISTANT AND MILDEW RESISTANT AND OZONE RESISTANT AND OIL RESISTANT |
| Material | RUBBER SYNTHETIC TUBE |
| 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 |
|---|---|
| A3245933-1 | 5/1 Secondary reference Laguna Industries Inc. |
| MIL-DTL-13444 | 5/1 Secondary reference U.S. Government activity |
| A3245933-1 | 3/2 Design control — primary reference U.S. Government activity |
| A3245933 | D/9 Drawing number reference only U.S. Government activity |
NSN 4720-01-433-8274 is a Hose,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-433-8274: Temp Rating: -1500.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 2.250 INCHES IN; Vacuum in Torr: 50.8; Layer Composition and Location: 1ST LAYER FIBERGLASS CLOTH AND 2ND LAYER CORRUGATED COPPER AND OUTER LAYER RUBBER IMPREGNATED FABRIC. 14 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.