The Channel,structural, cataloged under National Stock Number 9540-01-256-9911, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-256-9911 |
| Item Name | Channel,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Length | 20.000 FEET NOMINAL FT |
| Base Flange Thickness | 0.125 INCHES NOMINAL IN |
| Left Side Flange Height | 0.750 INCHES NOMINAL IN |
| Heat Treatment | TEMPERED |
| Criticality Code Justification | ABMK AND ADXJ AND ADXK AND BRFD |
| Basic Shape Style | CHANNEL |
| Right Side Flange Height | 0.750 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.553 POUNDS PER LINEAR FOOT LBS |
| Nondefinitive Spec/std Data | 6 TEMPER |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Material | ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 6062 |
| Fabrication Method | EXTRUDED |
| First Tip Style | SQUARE W/ INNER AND OUTER CORNER RADII |
| Second Tip Relationship to First Tip | IDENTICAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| QQ-A-200/8 | 5/9 Secondary reference U.S. Government activity |
| SAE-AMS-QQ-A-200/8 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 9540-01-256-9911 is a Channel,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
Key specifications for 9540-01-256-9911: Length: 20.000 FEET NOMINAL FT; Base Flange Thickness: 0.125 INCHES NOMINAL IN; Left Side Flange Height: 0.750 INCHES NOMINAL IN; Heat Treatment: TEMPERED. 14 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.