The Tube Assembly,metal, cataloged under National Stock Number 4710-01-375-8346, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4710-01-375-8346 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Status | ACTIVE |
| Design Form | STRAIGHT |
| Mating End Quantity | 2 SINGLE END |
| Bolt Hole Diameter | 0.281 INCHES NOMINAL SINGLE END IN |
| Material Document and Classification | MIL-T-8808, COMP 321, TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.035 INCHES NOMINAL IN |
| Features Provided | SUPPORT BRACKET |
| End Connection Style | PLAIN FIRST END |
| End Connection Style | PLAIN SECOND END |
| Tube Outside Diameter | 2.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 SINGLE END |
| Material | STEEL COMP 321 TUBING |
| 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 |
|---|---|
| 246-5750046 | D/9 Drawing number reference only Naval Sea Systems Command |
| 5750046-207 | 3/9 Design control — primary reference Textron Systems Corp |
NSN 4710-01-375-8346 is a Tube Assembly,metal, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4710-01-375-8347, 2040-01-377-0433. Verify interchangeability with system specifications before substitution.
Key specifications for 4710-01-375-8346: Design Form: STRAIGHT; Mating End Quantity: 2 SINGLE END; Bolt Hole Diameter: 0.281 INCHES NOMINAL SINGLE END IN; Material Document and Classification: MIL-T-8808, COMP 321, TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE TUBING. 11 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.