The Structural Section,special Shape, cataloged under National Stock Number 9540-01-428-9511, 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6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-428-9511 |
| Item Name | Structural Section,special Shape |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Length | 12.000 FEET NOMINAL FT |
| Heat Treatment | ANNEALED |
| Material Document and Classification | 207-4-408, ALLOY 6AL-4V MFR REF SINGLE MATERIAL RESPONSE V |
| Nondefinitive Spec/std Data | AB-1 COMPOSITION AND A CONDITION |
| Material | TITANIUM ALLOY UNS R56400 |
| 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 |
|---|---|
| CVC10060-1018GA | 3/2 Design control — primary reference U.S. Government activity |
| 207-4-408 | 5/1 Secondary reference U.S. Government activity |
NSN 9540-01-428-9511 is a Structural Section,special Shape, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 9540-01-428-9513, 9540-01-445-5937. Verify interchangeability with system specifications before substitution.
Key specifications for 9540-01-428-9511: Length: 12.000 FEET NOMINAL FT; Heat Treatment: ANNEALED; Material Document and Classification: 207-4-408, ALLOY 6AL-4V MFR REF SINGLE MATERIAL RESPONSE V; Nondefinitive Spec/std Data: AB-1 COMPOSITION AND A CONDITION. 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.