The Channel,structural, cataloged under National Stock Number 9540-01-481-8188, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-481-8188 |
| Item Name | Channel,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Length | 4.900 FEET NOMINAL FT |
| Base Flange Thickness | 0.630 INCHES NOMINAL IN |
| Left Side Flange Height | 0.250 INCHES NOMINAL IN |
| Heat Treatment | T-6 SOLUTION HEAT TREATED |
| Fillet Radius Where Right Flange Joins Base Flange | 0.060 INCHES NOMINAL IN |
| Left Side Flange Thickness | 0.040 INCHES NOMINAL IN |
| Second Tip Radius | 0.040 INCHES NOMINAL IN |
| Basic Shape Style | CHANNEL |
| Right Side Flange Height | 0.250 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.043 POUNDS PER LINEAR FOOT LBS |
| Fillet Radius Where Left Flange Joins Base Flange | 0.060 INCHES NOMINAL IN |
| Right Side Flange Thickness | 0.040 INCHES NOMINAL IN |
| Outer Radius Where Left Flange Joins Base Flange | 0.125 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 |
| Fabrication Method | EXTRUDED |
| First Tip Style | FULL RADIUS |
| Second Tip Relationship to First Tip | IDENTICAL |
| Outer Radius Where Right Flange Joins Base Flange | 0.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| 204-40203 | D/9 Drawing number reference only U.S. Government activity |
| BAC1509-100379 | 3/2 Design control — primary reference U.S. Government activity |
| 60-6382 | 3/1 Design control — primary reference Transtar Metals Corp |
NSN 9540-01-481-8188 is a Channel,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
Key specifications for 9540-01-481-8188: Length: 4.900 FEET NOMINAL FT; Base Flange Thickness: 0.630 INCHES NOMINAL IN; Left Side Flange Height: 0.250 INCHES NOMINAL IN; Heat Treatment: T-6 SOLUTION HEAT TREATED. 18 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.