The Tube,metallic, cataloged under National Stock Number 4710-00-993-7635, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-00-993-7635 |
| Item Name | Tube,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 144.000 INCHES NOMINAL SPECIFIC IN |
| First End Style | PLAIN |
| Heat Treatment | ANNEALED |
| Diameter | 0.312 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Wall Thickness | 0.032 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Specification/standard Data | 81349-MIL-T-8808 GOVERNMENT SPECIFICATION |
| Maximum Operating Temp | 1200.0 FAHRENHEIT DEGF |
| Nondefinitive Spec/std Data | 30347 COMPOSITION |
| Welding Method | ELECTRIC RESISTANCE |
| Surface Treatment | PASSIVATE INSIDE |
| Surface Treatment | PASSIVATE OUTSIDE |
| Material | STEEL COMP 347 |
| Construction | STRAIGHT SEAMED |
| 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-8808 | 5/9 Secondary reference U.S. Government activity |
| AMS 5571 | 5/9 Secondary reference U.S. Government activity |
| AMS 5571 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4710-00-993-7635 is a Tube,metallic, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
Key specifications for 4710-00-993-7635: Measuring Method and Length: 144.000 INCHES NOMINAL SPECIFIC IN; First End Style: PLAIN; Heat Treatment: ANNEALED; Diameter: 0.312 INCHES NOMINAL IN. 15 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.