The Tubing,nonmetallic, cataloged under National Stock Number 4720-01-579-8608, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-579-8608 |
| Primary Part Number | 7539780 ITEM 13 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Operating Pressure | 25.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Inside Diameter | 0.187 INCHES NOMINAL IN |
| Minimum Tensile Strength | 2 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| 5255K36 | Mcmaster-Carr Supply Co (USA) |
| 7539780 ITEM 13 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7539780 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4720-01-579-8608 is a Tubing,nonmetallic, manufactured by Naval Sea Systems Command, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-579-8608 has 2 manufacturer part numbers on file: 5255K36 (Mcmaster-Carr Supply Co), 7539780 ITEM 13 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5970-01-579-8611. Verify interchangeability with system specifications before substitution.
Key specifications for 7539780 ITEM 13: Cross-Sectional Shape Style: ROUND; Outside Diameter: 0.250 INCHES NOMINAL IN; Operating Pressure: 25.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Inside Diameter: 0.187 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.