The Tubing,nonmetallic, cataloged under National Stock Number 4720-00-618-6768, 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11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-00-618-6768 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Flexibility | FLEXIBLE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.688 INCHES NOMINAL IN |
| Exterior Color | BLACK |
| Nondefinitive Spec/std Data | S TYPE AND 515 GRADE AND SC CLASS |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Minimum Tensile Strength | 1500 POUNDS PER SQUARE INCH LBS |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Material | RUBBER SYNTHETIC TUBE |
| Nonmetallic Hardness Rating | 50.0 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 |
|---|---|
| TYPE250A | 3/1 Design control — primary reference Kirkhill, Inc. Dba Kirkhill Inc |
| MIL-R-3065 | 4/1 Identification reference U.S. Government activity |
NSN 4720-00-618-6768 is a Tubing,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-00-618-6768: Flexibility: FLEXIBLE; Cross-Sectional Shape Style: ROUND; Outside Diameter: 0.688 INCHES NOMINAL IN; Exterior Color: BLACK. 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.