The Tube,bent,metallic, cataloged under National Stock Number 4710-01-522-2154, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-522-2154 |
| Primary Part Number | 6394149-2 |
| Item Name | Tube,bent,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First End Style | PLAIN |
| Heat Treatment | ANNEALED |
| Criticality Code Justification | FEAT |
| Diameter | 0.250 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Wall Thickness | 0.065 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Material | STEEL CORROSION RESISTING |
| Construction | SEAMLESS |
| 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 |
|---|---|
| 6394149 FIND 002 | Naval Sea Systems Command (USA) |
| 6394149-2 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6394149 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4710-01-522-2154 is a Tube,bent,metallic, manufactured by Naval Sea Systems Command, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-522-2154 has 2 manufacturer part numbers on file: 6394149 FIND 002 (Naval Sea Systems Command), 6394149-2 (Naval Sea Systems Command).
Key specifications for 6394149-2: First End Style: PLAIN; Heat Treatment: ANNEALED; Criticality Code Justification: FEAT; Diameter: 0.250 INCHES NOMINAL IN. 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.