The Tubing,nonmetallic, cataloged under National Stock Number 4720-01-509-4243, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-509-4243 |
| Primary Part Number | 6393009-2 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Measuring Method and Length | 34.000 INCHES NOMINAL OVERALL IN |
| Criticality Code Justification | FEAT |
| Flexibility | FLEXIBLE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Inside Diameter | 1.000 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Material | PLASTIC TUBE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 6393009 FIND 15 | Naval Sea Systems Command (USA) |
| 6393009-2 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6393009 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4720-01-509-4243 is a Tubing,nonmetallic, manufactured by Naval Sea Systems Command, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-509-4243 has 2 manufacturer part numbers on file: 6393009 FIND 15 (Naval Sea Systems Command), 6393009-2 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 4720-01-509-4244, 4720-01-509-4245, 6150-01-516-2106. Verify interchangeability with system specifications before substitution.
Key specifications for 6393009-2: Measuring Method and Length: 34.000 INCHES NOMINAL OVERALL IN; Criticality Code Justification: FEAT; Flexibility: FLEXIBLE; Cross-Sectional Shape Style: ROUND. 9 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.