The Channel,structural, cataloged under National Stock Number 9540-01-175-2941, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 9540-01-175-2941 |
| Item Name | Channel,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Length | 10.000 FEET NOMINAL FT |
| Base Flange Thickness | 0.078 INCHES NOMINAL IN |
| Left Side Flange Height | 0.750 INCHES NOMINAL IN |
| Heat Treatment | T-8511 SOLUTION HEAT TREATED |
| First Tip Radius | 0.078 INCHES NOMINAL IN |
| Fillet Radius Where Right Flange Joins Base Flange | 0.125 INCHES NOMINAL IN |
| Left Side Flange Thickness | 0.078 INCHES NOMINAL IN |
| Basic Shape Style | CHANNEL |
| Right Side Flange Height | 0.750 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.045 POUNDS PER LINEAR FOOT LBS |
| Specification/standard Data | 81755-K20 MANUFACTURERS STANDARD |
| Fillet Radius Where Left Flange Joins Base Flange | 0.125 INCHES NOMINAL IN |
| Right Side Flange Thickness | 0.078 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Fabrication Method | EXTRUDED |
| First Tip Style | RIGHT QUARTER RADIUS |
| 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 | X |
| Reference | Meaning |
|---|---|
| K20A38T8511 | 3/2 Design control — primary reference U.S. Government activity |
NSN 9540-01-175-2941 is a Channel,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
Key specifications for 9540-01-175-2941: Length: 10.000 FEET NOMINAL FT; Base Flange Thickness: 0.078 INCHES NOMINAL IN; Left Side Flange Height: 0.750 INCHES NOMINAL IN; Heat Treatment: T-8511 SOLUTION HEAT TREATED. 17 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.