The Channel,structural, cataloged under National Stock Number 9540-01-157-3505, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-157-3505 |
| Item Name | Channel,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Length | 9.980 INCHES MINIMUM AND 10.020 INCHES MAXIMUM IN |
| Base Flange Thickness | 0.050 INCHES NOMINAL IN |
| Left Side Flange Height | 0.080 INCHES NOMINAL IN |
| Heat Treatment | T-5 SOLUTION HEAT TREATED |
| First Tip Radius | 0.031 INCHES NOMINAL IN |
| Material Document and Classification | AMS-QQ-A-200/9 FED SPEC SINGLE MATERIAL RESPONSE |
| Left Side Flange Thickness | 0.050 INCHES NOMINAL IN |
| Right Side Flange Height | 0.170 INCHES NOMINAL IN |
| Specification/standard Data | 81348-QQ-A-274/CANCELED/ GOVERNMENT SPECIFICATION |
| Right Side Flange Thickness | 0.050 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | T5 TEMPER |
| Right Inside Angle | 90.0 DEGREES NOMINAL |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Surface Treatment | CHROMATE |
| Material | ALUMINUM ALLOY 6063 |
| Fabrication Method | EXTRUDED |
| First Tip Style | FULL RADIUS |
| Second Tip Relationship to First Tip | NOT IDENTICAL |
| Second Tip Style | SQUARE END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SM-C-869411 | 3/2 Design control — primary reference U.S. Government activity |
| AMS-QQ-A-200/9 | 5/9 Secondary reference U.S. Government activity |
| QQ-A-200/9 | 5/9 Secondary reference U.S. Government activity |
| AMS-QQ-A-200/9 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 9540-01-157-3505 is a Channel,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
Key specifications for 9540-01-157-3505: Length: 9.980 INCHES MINIMUM AND 10.020 INCHES MAXIMUM IN; Base Flange Thickness: 0.050 INCHES NOMINAL IN; Left Side Flange Height: 0.080 INCHES NOMINAL IN; Heat Treatment: T-5 SOLUTION HEAT TREATED. 19 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.
NSN 9540-01-157-3505 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.