The Beam,structural, cataloged under National Stock Number 9540-00-805-8019, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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 | 9540-00-805-8019 |
| Primary Part Number | LS4344 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Basic Shape Style | T SHAPE |
| Third Tip Diameter | 0.188 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 |
| First Tip Inner Radius | 0.031 INCHES NOMINAL IN |
| First Tip Outer Radius | 0.031 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | IDENTICAL |
| Leg Thickness | 0.078 INCHES NOMINAL IN |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Specification/standard Data | 81348-QQ-A-200/11 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | T6 TEMPER |
| Material Document and Classification | QQ-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE |
| First Tip Style | SQUARE W/ INNER AND OUTER CORNER RADII |
| Left Side Top Flange Thickness | 0.125 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | NOT IDENTICAL |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Third Tip Style | LEFT BULBOUS |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Weight Per Unit Measure | 0.600 POUNDS PER LINEAR FOOT LBS |
| Fabrication Method | EXTRUDED |
| Left Side Top Flange Distance to Center of Both Flanges | 1.630 INCHES NOMINAL IN |
| Top Flange Width | 3.260 INCHES NOMINAL IN |
| Heat Treatment | T-6 SOLUTION HEAT TREATED AND ARTIFICALLY AGED |
| Third Tip Radius | 0.062 INCHES NOMINAL IN |
| Right Side Top Flange Thickness | 0.125 INCHES NOMINAL IN |
| Right Side Top Flange Distance to Center of Both Flanges | 1.630 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| LS4344 | Lockheed Martin Corp (USA) |
| AMS-QQ-A-200/11 | Society of Automotive Engineers Inc (USA) |
| QQ-A-200/11 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 9125 | Alcoa/reynolds Metals Company (USA) |
| AMS-QQ-A-200/11 | Sae International Dba Sae International (USA) |
NSN 9540-00-805-8019 is a Beam,structural, manufactured by Lockheed Martin Corp, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-00-805-8019 has 5 cross-referenced part numbers: LS4344 (Lockheed Martin Corp), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC), 9125 (Alcoa/reynolds Metals Company), AMS-QQ-A-200/11 (Sae International Dba Sae International).
There are 12 known substitutes for 9540-00-805-8019: 4920-00-068-0785, 5940-00-090-6600, 4730-00-232-8009 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for LS4344: Fillet Radius Where Top Left Flange Joins Web Flange/leg: 0.125 INCHES NOMINAL IN; Basic Shape Style: T SHAPE; Third Tip Diameter: 0.188 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 7075. 28 total characteristics are documented in the Federal Logistics Information System.