The Tubing,nonmetallic, cataloged under National Stock Number 4720-00-226-8686, 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12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-226-8686 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Flexibility | FLEXIBLE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.281 INCHES NOMINAL IN |
| Exterior Color | BLACK |
| Specification/standard Data | 81349-MIL-S-6855 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 40 GRADE AND 2 CLASS |
| Inside Diameter | 0.188 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Minimum Tensile Strength | 1100 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | OIL RESISTANT AND OZONE RESISTANT AND WEATHERPROOF |
| Material | RUBBER CHLOROPRENE CLASS CR TUBE |
| Nonmetallic Hardness Rating | 40.0 NOMINAL 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 |
|---|---|
| MIL-PRF-6855/4 | 4/1 Identification reference U.S. Government activity |
| M6855/4-08H069 | 2/2 Government specification standardization U.S. Government activity |
| MIL-R-6855 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-00-226-8686 is a Tubing,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-00-226-8686: Flexibility: FLEXIBLE; Cross-Sectional Shape Style: ROUND; Outside Diameter: 0.281 INCHES NOMINAL IN; Exterior Color: BLACK. 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.