The Beam,structural, cataloged under National Stock Number 9540-01-072-1180, is classified within Federal Supply Class 9540 (No Item Name Available) of the Metal Bars, Sheets, and Shapes group. The primary manufacturer of record is Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-072-1180 |
| Primary Part Number | K40A73T3511 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company |
| Status | ACTIVE |
| Left Side Top Flange Thickness | 0.085 INCHES NOMINAL IN |
| Left Side Top Flange Distance to Center of Both Flanges | 0.812 INCHES NOMINAL IN |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Material | ALUMINUM ALLOY 2024 |
| Basic Shape Style | T SHAPE |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Weight Per Unit Measure | 0.340 POUNDS PER LINEAR FOOT LBS |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.094 INCHES NOMINAL IN |
| Heat Treatment | T-3511 SOLUTION HEAT TREATED |
| Fabrication Method | EXTRUDED |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Leg Thickness | 0.085 INCHES NOMINAL IN |
| Specification/standard Data | 81755-K40 MANUFACTURERS STANDARD |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.094 INCHES NOMINAL IN |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | T3511 TEMPER |
| Top Flange Width | 1.625 INCHES NOMINAL IN |
| Right Side Top Flange Distance to Center of Both Flanges | 0.812 INCHES NOMINAL IN |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Right Side Top Flange Thickness | 0.085 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | IDENTICAL |
| First Tip Style | SQUARE END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| K40A73T3511 | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
| 14731 | International Light Metals Corp Sub of Martin Marietta Corp (USA) |
| AMS-QQ-A-200/3 | Sae International Dba Sae International (USA) |
| AMS-QQ-A-200/3 | Society of Automotive Engineers Inc (USA) |
| 60-146 | Transtar Metals Corp (USA) |
| MS14375E079 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 9540PL0871606 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 20282 | Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions (USA) |
NSN 9540-01-072-1180 is a Beam,structural, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-01-072-1180 has 9 cross-referenced part numbers: K40A73T3511 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 14731 (International Light Metals Corp Sub of Martin Marietta Corp), AMS-QQ-A-200/3 (Sae International Dba Sae International), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc), 60-146 (Transtar Metals Corp) and 4 more.
There are 12 known substitutes for 9540-01-072-1180: 5330-00-202-4549, 5310-00-430-0393, 6640-00-551-1286 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for K40A73T3511: Left Side Top Flange Thickness: 0.085 INCHES NOMINAL IN; Left Side Top Flange Distance to Center of Both Flanges: 0.812 INCHES NOMINAL IN; Right Top Inside Angle: 90.0 DEGREES NOMINAL; Material: ALUMINUM ALLOY 2024. 23 total characteristics are documented in the Federal Logistics Information System.