The Tube,metallic, cataloged under National Stock Number 4710-01-603-7659, 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 Sae International Dba Sae International. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-603-7659 |
| Primary Part Number | AMS4945DIAMETER1/4WALL.018 |
| Item Name | Tube,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Diameter | 0.250 INCHES NOMINAL IN |
| Wall Thickness | 0.018 INCHES NOMINAL IN |
| Operating Pressure | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Material | TITANIUM ALLOY |
| 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 |
|---|---|
| AMS4945DIAMETER1/4WALL.018 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AMS4945DIAMETER1/4WALL.018 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4710-01-603-7659 is a Tube,metallic, manufactured by Sae International Dba Sae International, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-603-7659 has 1 manufacturer part number on file: AMS4945DIAMETER1/4WALL.018 (Sae International Dba Sae International).
Key specifications for AMS4945DIAMETER1/4WALL.018: Diameter: 0.250 INCHES NOMINAL IN; Wall Thickness: 0.018 INCHES NOMINAL IN; Operating Pressure: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Part Name Assigned by Controlling Agency: SEAMLESS HYDRAULIC TUBING. 4 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.