The Structural Section,special Shape, cataloged under National Stock Number 9540-01-535-4394, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 9540-01-535-4394 |
| Item Name | Structural Section,special Shape |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Usage Design | AIRCRAFT |
| Heat Treatment | T-6511 SOLUTION HEAT TREATED |
| Material | ALUMINUM ALLOY 7075 |
| Fabrication Method | EXTRUDED |
| 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 |
|---|---|
| LS34558-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 9540-01-535-4394 is a Structural Section,special Shape, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
Key specifications for 9540-01-535-4394: Usage Design: AIRCRAFT; Heat Treatment: T-6511 SOLUTION HEAT TREATED; Special Features: T.O. 1C-5A-3 FIG 4-135 IND 6&7, USED FOR STEP UPPER STAIR AND LOWER STAIR LADDER A; Part Name Assigned by Controlling Agency: CHANNEL-EXTRUDED. 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.