The Angle,structural, cataloged under National Stock Number 9540-00-175-3549, 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 Alcoa/reynolds Metals Company. Government technical data includes 13 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-175-3549 |
| Primary Part Number | 26782 |
| Item Name | Angle,structural |
| FSC / FSG | 9540 / 95 — Structural Shapes, Nonferrous Base Metal |
| Manufacturer | Alcoa/reynolds Metals Company |
| Status | ACTIVE |
| Length | 12.667 FEET NOMINAL FT |
| Base Flange Thickness | 0.050 INCHES NOMINAL IN |
| Heat Treatment | T-3511 SOLUTION HEAT TREATED |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Left Side Flange Thickness | 0.050 INCHES NOMINAL IN |
| Basic Shape Style | ANGLE |
| Weight Per Unit Measure | 0.079 POUNDS PER LINEAR FOOT LBS |
| Nondefinitive Spec/std Data | 2024 ALLOY AND T3511 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 Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 26782 | Alcoa/reynolds Metals Company (USA) |
| Reference | Meaning |
|---|---|
| 104163 | 5/1 Secondary reference Aluminum Co of America |
| QQ-A-200/3 | 5/9 Secondary reference U.S. Government activity |
| AMS-QQ-A-200/3 | 5/9 Secondary reference U.S. Government activity |
| ASTM B221 | 5/9 Secondary reference U.S. Government activity |
| PA4018 | 5/9 Secondary reference Transtar Metals Corp |
| LS5570-2 | 5/1 Secondary reference U.S. Government activity |
| AMS-QQ-A-200/3 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 9540-00-175-3549 is a Angle,structural, manufactured by Alcoa/reynolds Metals Company, classified under FSC 9540, Structural Shapes, Nonferrous Base Metal. Status: active.
NSN 9540-00-175-3549 has 1 manufacturer part number on file: 26782 (Alcoa/reynolds Metals Company).
2 possible matches (shared part number, not a government interchangeability claim): 1650-00-998-1289, 5930-01-243-0622. Verify interchangeability with system specifications before substitution.
Key specifications for 26782: Overall Height: 0.625 INCHES NOMINAL IN; Length: 12.667 FEET NOMINAL FT; Base Flange Thickness: 0.050 INCHES NOMINAL IN; Heat Treatment: T-3511 SOLUTION HEAT TREATED. 13 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 9540-00-175-3549 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.