The Channel,structural, cataloged under National Stock Number 9540-01-329-5166, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-329-5166 |
| Item Name | Channel,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| First Tip Inner Radius | 0.020 INCHES NOMINAL IN |
| Length | 21.500 FEET NOMINAL FT |
| Base Flange Thickness | 0.060 INCHES NOMINAL IN |
| Left Side Flange Height | 0.328 INCHES NOMINAL IN |
| Heat Treatment | T-6 SOLUTION HEAT TREATED |
| Second Tip Thickness | 0.020 INCHES NOMINAL IN |
| Fillet Radius Where Right Flange Joins Base Flange | 0.047 INCHES NOMINAL IN |
| Left Side Flange Thickness | 0.060 INCHES NOMINAL IN |
| Basic Shape Style | CHANNEL |
| Right Side Flange Height | 1.000 INCHES NOMINAL IN |
| Fillet Radius Where Left Flange Joins Base Flange | 0.047 INCHES NOMINAL IN |
| Right Side Flange Thickness | 0.060 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | T6 TEMPER |
| Right Inside Angle | 90.0 DEGREES NOMINAL |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Material | ALUMINUM ALLOY 6063 |
| Fabrication Method | EXTRUDED |
| First Tip Outer Radius | 0.020 INCHES NOMINAL IN |
| Second Tip Taper Length | 0.672 INCHES NOMINAL IN |
| First Tip Style | SQUARE W/ INNER AND OUTER CORNER RADII |
| Second Tip Relationship to First Tip | NOT IDENTICAL |
| Second Tip Style | LEFT TAPER LENGTH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| LS043-1205 | 3/1 Design control — primary reference The Boeing Company Div Legacy Am&m |
| QQ-A-200/9 | 5/9 Secondary reference U.S. Government activity |
| AMS-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 9540-01-329-5166 is a Channel,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 9390-01-362-5241. Verify interchangeability with system specifications before substitution.
Key specifications for 9540-01-329-5166: First Tip Inner Radius: 0.020 INCHES NOMINAL IN; Length: 21.500 FEET NOMINAL FT; Base Flange Thickness: 0.060 INCHES NOMINAL IN; Left Side Flange Height: 0.328 INCHES NOMINAL IN. 22 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 9540-01-329-5166 has DEMIL Code Q. 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.