The Tubing,nonmetallic, cataloged under National Stock Number 4720-01-655-8663, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Centek Industries, Inc.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-655-8663 |
| Primary Part Number | 1100505 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Centek Industries, Inc. |
| Status | ACTIVE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 4.5 INCHES NOMINAL IN |
| Exterior Color | AMBER |
| Inside Diameter | 4.22 INCHES NOMINAL IN |
| Outer Covering Environmental Protection | CORROSION RESISTANT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1100505 PRIMARY | Centek Industries, Inc. (USA) |
NSN 4720-01-655-8663 is a Tubing,nonmetallic, manufactured by Centek Industries, Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-655-8663 has 1 manufacturer part number on file: 1100505 (Centek Industries, Inc.).
Key specifications for 1100505: Cross-Sectional Shape Style: ROUND; Outside Diameter: 4.5 INCHES NOMINAL IN; Exterior Color: AMBER; Inside Diameter: 4.22 INCHES NOMINAL IN. 5 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.