The Tube,metallic, cataloged under National Stock Number 4710-00-993-7643, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4710-00-993-7643 |
| 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 | COLD DRAWN 1/4 HARD CONDITION |
| Diameter | 0.500 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Wall Thickness | 0.035 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Nondefinitive Spec/std Data | 1 TYPE |
| Material | STEEL COMP 304 |
| 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-5695 | 4/1 Identification reference U.S. Government activity |
NSN 4710-00-993-7643 is a Tube,metallic, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 4710-00-993-7644, 4710-00-993-7645, 4710-01-102-5534. Verify interchangeability with system specifications before substitution.
Key specifications for 4710-00-993-7643: Measuring Method and Length: 144.000 INCHES NOMINAL SPECIFIC IN; First End Style: PLAIN; Heat Treatment: COLD DRAWN 1/4 HARD CONDITION; Diameter: 0.500 INCHES NOMINAL IN. 10 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.