The Beam,structural, cataloged under National Stock Number 9540-01-543-4432, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-543-4432 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Heat Treatment | T-6511 SOLUTION HEAT TREATED |
| Material Document and Classification | AMS 4139 ASSN STD SINGLE MATERIAL RESPONSE |
| Basic Shape Style | T SHAPE |
| Top Flange Width | 4.056 INCHES MINIMUM AND 4.128 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 7075 |
| Leg Thickness | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Left Side Top Flange Thickness | 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Right Side Top Flange Distance to Center of Both Flanges | 2.034 INCHES MINIMUM AND 2.086 INCHES MAXIMUM IN |
| 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 |
|---|---|
| LS39307-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 9540-01-543-4432 is a Beam,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
Key specifications for 9540-01-543-4432: Overall Height: 1.288 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN; Heat Treatment: T-6511 SOLUTION HEAT TREATED; Material Document and Classification: AMS 4139 ASSN STD SINGLE MATERIAL RESPONSE; Basic Shape Style: T SHAPE. 8 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.