The Tube Assembly,metal, cataloged under National Stock Number 4710-01-203-4345, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hiab Usa Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-203-4345 |
| Primary Part Number | 346 3290 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Hiab Usa Inc |
| Status | ACTIVE |
| Design Form | PREBENT |
| Mating End Quantity | 1 SECOND END |
| Mating End Quantity | 1 FIRST END |
| Wall Thickness | 0.078 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.787 INCHES SINGLE END IN |
| End Connection Style | GASKET SEAL FIRST END |
| End Connection Style | UNTHREADED EXTERNAL SECOND END |
| Tube Outside Diameter | 0.551 INCHES NOMINAL IN |
| Thread Class | 2A FIRST END A |
| Material | STEEL SINGLE END |
| Material | STEEL OR STEEL TUBING |
| Thread Series Designator | ISO M SINGLE END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 346 3290 PRIMARY | Hiab Usa Inc (USA) |
NSN 4710-01-203-4345 is a Tube Assembly,metal, manufactured by Hiab Usa Inc, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-203-4345 has 1 manufacturer part number on file: 346 3290 (Hiab Usa Inc).
Key specifications for 346 3290: Design Form: PREBENT; Mating End Quantity: 1 SECOND END; Mating End Quantity: 1 FIRST END; Wall Thickness: 0.078 INCHES NOMINAL IN. 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.