The Tubing,nonmetallic, cataloged under National Stock Number 4720-00-835-4572, 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12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-835-4572 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Flexibility | FLEXIBLE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.510 INCHES NOMINAL IN |
| Exterior Color | BLACK |
| Nondefinitive Spec/std Data | C60 TYPE AND 2 CLASS |
| Inside Diameter | 0.125 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 |
| Outer Covering Environmental Protection | OIL RESISTANT AND OZONE RESISTANT AND WEATHERPROOF |
| Material | RUBBER SYNTHETIC TUBE |
| Nonmetallic Hardness Rating | 55.0 MINIMUM SHORE DUROMETER A AND 65.0 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 |
|---|---|
| MIL-S-6855 | 4/1 Identification reference U.S. Government activity |
| M6855/4-16E02BULK | 2/2 Government specification standardization U.S. Government activity |
NSN 4720-00-835-4572 is a Tubing,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 9390-00-872-1265, 9390-00-908-9620. Verify interchangeability with system specifications before substitution.
Key specifications for 4720-00-835-4572: Flexibility: FLEXIBLE; Cross-Sectional Shape Style: ROUND; Outside Diameter: 0.510 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.