The Beam,structural, cataloged under National Stock Number 9540-01-071-8857, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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 | 9540-01-071-8857 |
| Primary Part Number | K40A144T8511 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company |
| Status | ACTIVE |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| First Tip Outer Radius | 0.030 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| First Tip Inner Radius | 0.030 INCHES NOMINAL IN |
| Left Side Top Flange Thickness | 0.125 INCHES NOMINAL IN |
| Weight Per Unit Measure | 1.739 POUNDS PER LINEAR FOOT LBS |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.250 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | T8511 TEMPER |
| Specification/standard Data | 81755-K40 MANUFACTURERS STANDARD |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.250 INCHES NOMINAL IN |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Fabrication Method | EXTRUDED |
| Leg Thickness | 0.125 INCHES NOMINAL IN |
| Heat Treatment | T-8511 SOLUTION HEAT TREATED |
| Second Tip Relationship to First Tip | IDENTICAL |
| Right Side Top Flange Distance to Center of Both Flanges | 3.000 INCHES NOMINAL IN |
| Left Side Top Flange Distance to Center of Both Flanges | 3.000 INCHES NOMINAL IN |
| Top Flange Width | 6.000 INCHES NOMINAL IN |
| First Tip Style | SQUARE W/ INNER AND OUTER CORNER RADII |
| Basic Shape Style | T SHAPE |
| Right Side Top Flange Thickness | 0.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| K40A144T8511 | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 25137 | 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) |
| 41085 | Alcoa/reynolds Metals Company (USA) |
NSN 9540-01-071-8857 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 9540-01-071-8857 has 6 cross-referenced part numbers: K40A144T8511 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC), 25137 (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) and 1 more.
There are 12 known substitutes for 9540-01-071-8857: 5306-00-100-6823, 5340-00-399-1316, 5950-00-569-0173 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for K40A144T8511: Third Tip Relationship to Preceding Tips: IDENTICAL W/FIRST TIP; First Tip Outer Radius: 0.030 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 2024; First Tip Inner Radius: 0.030 INCHES NOMINAL IN. 25 total characteristics are documented in the Federal Logistics Information System.