The Angle,structural, cataloged under National Stock Number 9540-00-261-5122, is classified within Federal Supply Class 9540 (Structural Shapes, Nonferrous Base Metal) of the Metal Bars, Sheets, and Shapes group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-261-5122 |
| Item Name | Angle,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Status | ACTIVE |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Base Flange Thickness | 0.125 INCHES NOMINAL IN |
| Heat Treatment | T-4 SOLUTION HEAT TREATED |
| Material Document and Classification | QQ-A-200/3 FED SPEC 1ST MATERIAL RESPONSE |
| Left Side Flange Thickness | 0.125 INCHES NOMINAL IN |
| Basic Shape Style | ANGLE |
| Weight Per Unit Measure | 0.530 POUNDS PER LINEAR FOOT LBS |
| Fillet Radius Where Left Flange Joins Base Flange | 0.093 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | T4 TEMPER |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Material | ALUMINUM ALLOY 2024 |
| Fabrication Method | EXTRUDED |
| First Tip Style | SQUARE END |
| 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 |
| Reference | Meaning |
|---|---|
| E122312 | 5/9 Secondary reference Tracor Flight Systems Inc Sub of Tracor Inc |
| 13404-1 | 5/9 Secondary reference International Light Metals Corp Sub of Martin Marietta Corp |
| 1E45 | 5/1 Secondary reference The Boeing Company Div Legacy Am&m |
| E122312 | 5/9 Secondary reference General Dynamics Corp Convair Div Lindbergh Field Facility |
| QQA200-3 | 4/1 Identification reference U.S. Government activity |
| E122312 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems Technology Solutions & Services Inc. |
| E122312 | 5/9 Secondary reference Hughes Missile Systems Co San Diego |
| DIE29146 | 3/1 Design control — primary reference Aluminum Co of America |
NSN 9540-00-261-5122 is a Angle,structural, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
Key specifications for 9540-00-261-5122: Overall Height: 1.625 INCHES NOMINAL IN; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Base Flange Thickness: 0.125 INCHES NOMINAL IN; Heat Treatment: T-4 SOLUTION HEAT TREATED. 14 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.