The Tube,metallic, cataloged under National Stock Number 4710-01-062-8640, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-062-8640 |
| Item Name | Tube,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Status | ACTIVE |
| First End Style | PLAIN |
| Heat Treatment | ANNEALED |
| Material Document and Classification | MIL-T-8504 MIL SPEC SINGLE MATERIAL RESPONSE |
| Diameter | 0.625 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Wall Thickness | 0.035 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Specification/standard Data | 81349-MIL-T-8504A/2 GOVERNMENT SPECIFICATION A |
| Nondefinitive Spec/std Data | 0 TEMPER |
| Surface Treatment | PASSIVATE INSIDE |
| Surface Treatment | PASSIVATE OUTSIDE |
| Material | STEEL |
| Construction | SEAMLESS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-T-8504 | 4/1 Identification reference U.S. Government activity |
NSN 4710-01-062-8640 is a Tube,metallic, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
Key specifications for 4710-01-062-8640: First End Style: PLAIN; Heat Treatment: ANNEALED; Material Document and Classification: MIL-T-8504 MIL SPEC SINGLE MATERIAL RESPONSE; Diameter: 0.625 INCHES NOMINAL IN. 13 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.