The Channel,structural, cataloged under National Stock Number 9540-01-420-1840, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. The manufacturer of record is Transtar Metals Corp. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-420-1840 |
| Primary Part Number | 10137-2406 |
| Item Name | Channel,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Manufacturer | Transtar Metals Corp |
| Status | ACTIVE |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Base Flange Thickness | 0.188 INCHES NOMINAL IN |
| Left Side Flange Height | 1.375 INCHES NOMINAL IN |
| Heat Treatment | T-73510 SOLUTION HEAT TREATED |
| First Tip Radius | 0.188 INCHES NOMINAL IN |
| Fillet Radius Where Right Flange Joins Base Flange | 0.188 INCHES NOMINAL IN |
| Material Document and Classification | AMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Left Side Flange Thickness | 0.188 INCHES NOMINAL IN |
| Basic Shape Style | CHANNEL |
| Right Side Flange Height | 1.375 INCHES NOMINAL IN |
| Fillet Radius Where Left Flange Joins Base Flange | 0.188 INCHES NOMINAL IN |
| Right Side Flange Thickness | 0.188 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 7075 ALLOY AND T73510 TEMPER |
| Right Inside Angle | 90.0 DEGREES NOMINAL |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Material | ALUMINUM ALLOY 7075 |
| Fabrication Method | EXTRUDED |
| First Tip Style | LEFT 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 |
| Part Number | Manufacturer |
|---|---|
| 10137-2406 PRIMARY | Transtar Metals Corp (USA) |
| Reference | Meaning |
|---|---|
| AMS-QQ-A-200/11 | 3/1 Design control — primary reference Sae International Dba Sae International |
| QQ-A-200/11 | 5/9 Secondary reference U.S. Government activity |
| AMS-QQ-A-200/11 | 5/9 Secondary reference U.S. Government activity |
| AND10137-2406 | 5/9 Secondary reference U.S. Government activity |
NSN 9540-01-420-1840 is a Channel,structural, manufactured by Transtar Metals Corp, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
NSN 9540-01-420-1840 has 1 manufacturer part number on file: 10137-2406 (Transtar Metals Corp).
Key specifications for 10137-2406: Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Base Flange Thickness: 0.188 INCHES NOMINAL IN; Left Side Flange Height: 1.375 INCHES NOMINAL IN; Heat Treatment: T-73510 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.
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.