The Tubing,nonmetallic, cataloged under National Stock Number 4720-01-028-1835, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-028-1835 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 1.440 INCHES MINIMUM EXCLUDING END FITTINGS AND 1.560 INCHES MAXIMUM EXCLUDING END FITTINGS IN |
| Temp Rating | -103.0 FAHRENHEIT AND 401.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flexibility | FLEXIBLE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Specification/standard Data | 81343-AMS3345 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Minimum Tensile Strength | 1000 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | COLD RESISTANT AND WEATHERPROOF |
| Material | RUBBER SILICONE CLASS Q TUBE |
| Nonmetallic Hardness Rating | 45.0 MINIMUM SHORE DUROMETER A AND 55.0 MAXIMUM SHORE DUROMETER A |
| 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 |
|---|---|
| 932A207 | D/9 Drawing number reference only U.S. Government activity |
| 932A207-1 | 3/2 Design control — primary reference U.S. Government activity |
| 932A207 | D/9 Drawing number reference only U.S. Government activity |
| 932A207-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-01-028-1835 is a Tubing,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-028-1835: Measuring Method and Length: 1.440 INCHES MINIMUM EXCLUDING END FITTINGS AND 1.560 INCHES MAXIMUM EXCLUDING END FITTINGS IN; Temp Rating: -103.0 FAHRENHEIT AND 401.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flexibility: FLEXIBLE; Cross-Sectional Shape Style: ROUND. 12 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.