The Tube Assembly,metal, cataloged under National Stock Number 4710-01-144-5256, 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 Leonardo S.p.a. Div Electronics. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-144-5256 |
| Primary Part Number | 843408-1 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Leonardo S.p.a. Div Electronics |
| Status | ACTIVE |
| Design Form | PREBENT |
| Mating End Quantity | 1 SECOND END |
| Mating End Quantity | 1 FIRST END |
| Material Document and Classification | MIL-T-8506 MIL SPEC SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.025 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| End Connection Style | UNTHREADED INTERNAL SECOND END |
| End Connection Style | PLAIN FIRST END |
| Tube Outside Diameter | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Thread Class | 3B FIRST END |
| Material | ALUMINUM ALLOY SECOND END |
| Material | ALUMINUM ALLOY FIRST END |
| Material | STEEL COMP 304 TUBING |
| 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 |
|---|---|
| 843408-1 | Leonardo S.p.a. Div Electronics (ITA) |
| Reference | Meaning |
|---|---|
| 843408-1 | 5/9 Secondary reference Fiar Fabbrica Italiana Apparecchiature Radioelettriche Spa |
| 843408-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4710-01-144-5256 is a Tube Assembly,metal, manufactured by Leonardo S.p.a. Div Electronics, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-144-5256 has 1 manufacturer part number on file: 843408-1 (Leonardo S.p.a. Div Electronics).
Key specifications for 843408-1: Design Form: PREBENT; Mating End Quantity: 1 SECOND END; Mating End Quantity: 1 FIRST END; Material Document and Classification: MIL-T-8506 MIL SPEC SINGLE MATERIAL RESPONSE TUBING. 14 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.