The Beam,structural, cataloged under National Stock Number 9540-01-705-3366, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 11 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 | 9540-01-705-3366 |
| Primary Part Number | LS043-1297 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Fillet Radius Where Bottom Left Flange Joins Web Flange/leg | 0.156 INCHES NOMINAL IN |
| Left Side Flange Height | 2.443 INCHES NOMINAL IN |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.156 INCHES NOMINAL IN |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.156 INCHES NOMINAL IN |
| Left Side Flange Thickness | 0.437 INCHES NOMINAL IN |
| Basic Shape Style | H SHAPE |
| Right Side Flange Height | 2.443 INCHES NOMINAL IN |
| Right Side Flange Thickness | 0.437 INCHES NOMINAL IN |
| Fillet Radius Where Bottom Right Flange Joins Web Flange/leg | 0.156 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Left Side Bottom Flange Distance to Center of Both Flanges | 1.413 INCHES NOMINAL IN |
| 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 |
|---|---|
| LS043-1297 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 9540-01-705-3366 is a Beam,structural, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
NSN 9540-01-705-3366 has 1 manufacturer part number on file: LS043-1297 (The Boeing Company Div Legacy Am&m).
Key specifications for LS043-1297: Fillet Radius Where Bottom Left Flange Joins Web Flange/leg: 0.156 INCHES NOMINAL IN; Left Side Flange Height: 2.443 INCHES NOMINAL IN; Fillet Radius Where Top Right Flange Joins Web Flange/leg: 0.156 INCHES NOMINAL IN; Overall Width: 5.102 INCHES NOMINAL IN. 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.