The Structural Section,special Shape, cataloged under National Stock Number 9540-01-511-0555, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-511-0555 |
| Item Name | Structural Section,special Shape |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Length | 8.000 FEET NOMINAL FT |
| Heat Treatment | T-76511 SOLUTION HEAT TREATED |
| Material Document and Classification | DMS 2227 MFR REF SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | 7050 ALLOY AND T76511 TEMPER |
| Material | ALUMINUM ALLOY 7050 |
| 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 |
|---|---|
| DMS 2227 | 3/1 Design control — primary reference U.S. Government activity |
| 1D1823B | 3/2 Design control — primary reference U.S. Government activity |
NSN 9540-01-511-0555 is a Structural Section,special Shape, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 9540-01-545-8376. Verify interchangeability with system specifications before substitution.
Key specifications for 9540-01-511-0555: Length: 8.000 FEET NOMINAL FT; Heat Treatment: T-76511 SOLUTION HEAT TREATED; Material Document and Classification: DMS 2227 MFR REF SINGLE MATERIAL RESPONSE; Nondefinitive Spec/std Data: 7050 ALLOY AND T76511 TEMPER. 6 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.