The Tube,metallic, cataloged under National Stock Number 4710-00-640-6504, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4710-00-640-6504 |
| Item Name | Tube,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 144.000 INCHES MINIMUM RANDOM AND 288.000 INCHES MAXIMUM RANDOM IN |
| First End Style | PLAIN |
| Heat Treatment | ANNEALED |
| Diameter | 3.500 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Wall Thickness | 0.383 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| Maximum Operating Temp | -775.0 FAHRENHEIT DEGF |
| Departure From Cited Document | AS MODIFIED BY HYDROSTATIC TEST PRESSURE SHALL BE 2500 PSI AND ULTRASONIC TESTING IS REQUIRED AND IN ADDITION TO PARA 3.14,CONTRACT NO. AND FSN ARE REQUIRED |
| Nondefinitive Spec/std Data | E TYPE |
| 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-P-24691 | 4/1 Identification reference U.S. Government activity |
| MIL-T-20157 | 5/9 Secondary reference U.S. Government activity |
| MIL-P-24691/1 | 4/1 Identification reference U.S. Government activity |
NSN 4710-00-640-6504 is a Tube,metallic, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
Key specifications for 4710-00-640-6504: Measuring Method and Length: 144.000 INCHES MINIMUM RANDOM AND 288.000 INCHES MAXIMUM RANDOM IN; First End Style: PLAIN; Heat Treatment: ANNEALED; Diameter: 3.500 INCHES NOMINAL IN. 12 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.