The Beam,structural, cataloged under National Stock Number 9540-01-011-3241, 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 Corp. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-011-3241 |
| Primary Part Number | LS3505 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Right Side Top Flange Distance to Center of Both Flanges | 0.563 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Second Tip Relationship to First Tip | IDENTICAL |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.062 INCHES NOMINAL IN |
| Fabrication Method | EXTRUDED |
| Basic Shape Style | T SHAPE |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Top Flange Width | 1.125 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| First Tip Style | SQUARE END |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | T3511 TEMPER |
| Left Side Top Flange Thickness | 0.040 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Weight Per Unit Measure | 0.090 POUNDS PER LINEAR FOOT LBS |
| Right Side Top Flange Thickness | 0.040 INCHES NOMINAL IN |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Leg Thickness | 0.040 INCHES NOMINAL IN |
| Left Side Top Flange Distance to Center of Both Flanges | 0.562 INCHES NOMINAL IN |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.062 INCHES NOMINAL IN |
| Heat Treatment | T-3511 SOLUTION HEAT TREATED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| LS3505 | Lockheed Martin Corp (USA) |
| 13989-3 | International Light Metals Corp Sub of Martin Marietta Corp (USA) |
| MS14375E003 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| PA6546 | Transtar Metals Corp (USA) |
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| AMS-QQ-A-200/3 | Sae International Dba Sae International (USA) |
| AMS-QQ-A-200/3 | Society of Automotive Engineers Inc (USA) |
| 60-6137 | Transtar Metals Corp (USA) |
| 22019 | Aluminum Co of America (USA) |
NSN 9540-01-011-3241 is a Beam,structural, manufactured by Lockheed Martin Corp, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-01-011-3241 has 9 cross-referenced part numbers: LS3505 (Lockheed Martin Corp), 13989-3 (International Light Metals Corp Sub of Martin Marietta Corp), MS14375E003 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), PA6546 (Transtar Metals Corp), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC) and 4 more.
There are 9 known substitutes for 9540-01-011-3241: 1650-00-083-4250, 4820-00-306-1287, 3040-00-406-4926 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for LS3505: Right Side Top Flange Distance to Center of Both Flanges: 0.563 INCHES NOMINAL IN; Third Tip Relationship to Preceding Tips: IDENTICAL W/FIRST TIP; Second Tip Relationship to First Tip: IDENTICAL; Fillet Radius Where Top Right Flange Joins Web Flange/leg: 0.062 INCHES NOMINAL IN. 22 total characteristics are documented in the Federal Logistics Information System.