The Beam,structural, cataloged under National Stock Number 9540-00-148-4384, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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 | 9540-00-148-4384 |
| Primary Part Number | LS3415 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Leg Thickness | 0.125 INCHES NOMINAL IN |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Top Flange Width | 2.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | 2024 ALLOY AND T3511 TEMPER |
| Weight Per Unit Measure | 0.670 POUNDS PER LINEAR FOOT LBS |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Right Side Top Flange Thickness | 0.125 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Right Side Top Flange Distance to Center of Both Flanges | 1.000 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| First Tip Outer Radius | 0.031 INCHES NOMINAL IN |
| Left Side Top Flange Thickness | 0.125 INCHES NOMINAL IN |
| First Tip Style | SQUARE W/ INNER AND OUTER CORNER RADII |
| Left Side Top Flange Distance to Center of Both Flanges | 1.000 INCHES NOMINAL IN |
| First Tip Inner Radius | 0.031 INCHES NOMINAL IN |
| Heat Treatment | T-3511 SOLUTION HEAT TREATED |
| Basic Shape Style | T SHAPE |
| Second Tip Relationship to First Tip | IDENTICAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| LS3415 | Lockheed Martin Corp (USA) |
| 28539 | Aluminum Co of America (USA) |
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 13873 | International Light Metals Corp Sub of Martin Marietta Corp (USA) |
| AVNS9768 | Northrop Grumman Systems Corporation (USA) |
| AMS-QQ-A-200/3 | Society of Automotive Engineers Inc (USA) |
| AMS-QQ-A-200/3 | Sae International Dba Sae International (USA) |
NSN 9540-00-148-4384 is a Beam,structural, manufactured by Lockheed Martin Corp, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-00-148-4384 has 7 cross-referenced part numbers: LS3415 (Lockheed Martin Corp), 28539 (Aluminum Co of America), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC), 13873 (International Light Metals Corp Sub of Martin Marietta Corp), AVNS9768 (Northrop Grumman Systems Corporation) and 2 more.
There are 9 known substitutes for 9540-00-148-4384: 4130-00-387-6648, 9540-00-528-7095, 5340-00-858-5432 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for LS3415: Leg Thickness: 0.125 INCHES NOMINAL IN; Fillet Radius Where Top Right Flange Joins Web Flange/leg: 0.125 INCHES NOMINAL IN; Top Flange Width: 2.000 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 2024. 23 total characteristics are documented in the Federal Logistics Information System.