The Beam,structural, cataloged under National Stock Number 9540-01-072-0175, 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 8 commercial cross-references from 8 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 | 9540-01-072-0175 |
| Primary Part Number | K40A8T3511 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company |
| Status | ACTIVE |
| Heat Treatment | T-8511 SOLUTION HEAT TREATED |
| Left Side Top Flange Distance to Center of Both Flanges | 0.750 INCHES NOMINAL IN |
| Basic Shape Style | T SHAPE |
| Fabrication Method | EXTRUDED |
| Left Side Top Flange Thickness | 0.050 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Right Side Top Flange Distance to Center of Both Flanges | 0.750 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | IDENTICAL |
| Top Flange Width | 1.500 INCHES NOMINAL IN |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.050 INCHES NOMINAL IN |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Specification/standard Data | 81755-K40 MANUFACTURERS STANDARD |
| Nondefinitive Spec/std Data | 2024 ALLOY AND T8511 TEMPER |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| First Tip Style | SQUARE END |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.050 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.149 POUNDS PER LINEAR FOOT LBS |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Right Side Top Flange Thickness | 0.050 INCHES NOMINAL IN |
| Leg Thickness | 0.050 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| K40A8T3511 | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
| 9540PL0871849 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 21633 | International Light Metals Corp Sub of Martin Marietta Corp (USA) |
| AMS-QQ-A-200/3 | Society of Automotive Engineers Inc (USA) |
| AMS-QQ-A-200/3 | Sae International Dba Sae International (USA) |
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MS14375E013 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 41037 | Alcoa/reynolds Metals Company (USA) |
NSN 9540-01-072-0175 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 9540-01-072-0175 has 8 cross-referenced part numbers: K40A8T3511 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 9540PL0871849 (Jednolity Indeks Materialowy - Uniform Material Index), 21633 (International Light Metals Corp Sub of Martin Marietta Corp), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc), AMS-QQ-A-200/3 (Sae International Dba Sae International) and 3 more.
There are 12 known substitutes for 9540-01-072-0175: 5310-00-011-4618, 3110-00-101-1004, 4820-00-135-5470 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for K40A8T3511: Heat Treatment: T-8511 SOLUTION HEAT TREATED; Left Side Top Flange Distance to Center of Both Flanges: 0.750 INCHES NOMINAL IN; Basic Shape Style: T SHAPE; Fabrication Method: EXTRUDED. 23 total characteristics are documented in the Federal Logistics Information System.