The Tubing,nonmetallic, cataloged under National Stock Number 4720-01-666-1531, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is William P Nugent Company Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-666-1531 |
| Primary Part Number | PCU-250BR-0 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | William P Nugent Company Inc. |
| Status | ACTIVE |
| Measuring Method and Length | 20.0 FEET NOMINAL OVERALL FT |
| Temp Rating | 150.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Temp Rating | 75.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Minimum Inside Bending Radius | 0.50 INCHES IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Operating Pressure | 145.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Operating Pressure | 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Exterior Color | CLEAR |
| Inside Diameter | 0.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| PCU-250BR-0 PRIMARY | William P Nugent Company Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5-19-14816-001 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4720-01-666-1531 is a Tubing,nonmetallic, manufactured by William P Nugent Company Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-666-1531 has 1 manufacturer part number on file: PCU-250BR-0 (William P Nugent Company Inc.).
Key specifications for PCU-250BR-0: Measuring Method and Length: 20.0 FEET NOMINAL OVERALL FT; Temp Rating: 150.0 FAHRENHEIT SECOND RESPONSE DEGF; Temp Rating: 75.0 FAHRENHEIT FIRST RESPONSE DEGF; Minimum Inside Bending Radius: 0.50 INCHES IN. 10 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.