The Channel,structural, cataloged under National Stock Number 9540-01-086-6551, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-086-6551 |
| Item Name | Channel,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Length | 12.000 FEET NOMINAL FT |
| Base Flange Thickness | 0.060 INCHES NOMINAL IN |
| Left Side Flange Height | 0.997 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN |
| Heat Treatment | T-3511 SOLUTION HEAT TREATED |
| First Tip Radius | 0.170 INCHES NOMINAL IN |
| Fillet Radius Where Right Flange Joins Base Flange | 0.120 INCHES NOMINAL IN |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Left Side Flange Thickness | 0.060 INCHES NOMINAL IN |
| Second Tip Radius | 0.170 INCHES NOMINAL IN |
| Basic Shape Style | CHANNEL |
| Right Side Flange Height | 0.997 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN |
| Weight Per Unit Measure | 0.251 POUNDS PER LINEAR FOOT LBS |
| Specification/standard Data | 81755-K60 MANUFACTURERS STANDARD |
| Fillet Radius Where Left Flange Joins Base Flange | 0.120 INCHES NOMINAL IN |
| Right Side Flange Thickness | 0.060 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | T3511 TEMPER |
| Right Inside Angle | 90.0 DEGREES NOMINAL |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Second Tip Diameter | 0.173 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2024 |
| Fabrication Method | EXTRUDED |
| First Tip Style | LEFT BULBOUS |
| First Tip Diameter | 0.173 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Second Tip Relationship to First Tip | NOT IDENTICAL |
| Second Tip Style | RIGHT BULBOUS |
| 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 |
|---|---|
| AMS-QQ-A-200/3 | 5/9 Secondary reference U.S. Government activity |
| 10536-A | 3/1 Design control — primary reference Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions |
| K60A295T3511 | 3/2 Design control — primary reference U.S. Government activity |
| AMS-QQ-A-200/3 | 3/1 Design control — primary reference Sae International Dba Sae International |
| QQ-A-200/3 | 5/9 Secondary reference U.S. Government activity |
| 60-14051 | 3/1 Design control — primary reference Transtar Metals Corp |
NSN 9540-01-086-6551 is a Channel,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
Key specifications for 9540-01-086-6551: Length: 12.000 FEET NOMINAL FT; Base Flange Thickness: 0.060 INCHES NOMINAL IN; Left Side Flange Height: 0.997 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN; Heat Treatment: T-3511 SOLUTION HEAT TREATED. 25 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.