The Tube,metallic, cataloged under National Stock Number 4710-01-575-4737, 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13 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-575-4737 |
| Item Name | Tube,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 144.000 INCHES NOMINAL STANDARD IN |
| First End Bead Outside Diameter | 1.125 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Heat Treatment | SOFT ANNEALED |
| Diameter | 1.125 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Wall Thickness | 0.050 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Specification/standard Data | 81346-B280 NATIONAL STD/SPEC |
| Second End Bead Outside Diameter | 1.125 INCHES NOMINAL IN |
| Second End Style | PLAIN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 555K1001-62 | 5/9 Secondary reference U.S. Government activity |
| 555K1001 | D/9 Drawing number reference only U.S. Government activity |
| 555K1001-62 | 5/9 Secondary reference U.S. Government activity |
| 555K1001-62 | 5/9 Secondary reference Drs Environmental Systems Inc |
| ASTM B280-1.1250OD-0.05WALL | 3/2 Design control — primary reference U.S. Government activity |
NSN 4710-01-575-4737 is a Tube,metallic, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4710-01-590-8456. Verify interchangeability with system specifications before substitution.
Key specifications for 4710-01-575-4737: Measuring Method and Length: 144.000 INCHES NOMINAL STANDARD IN; First End Bead Outside Diameter: 1.125 INCHES NOMINAL IN; First End Style: PLAIN; Heat Treatment: SOFT ANNEALED. 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.