The Beam,structural, cataloged under National Stock Number 9540-00-555-0821, 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 11 commercial cross-references from 10 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 | 9540-00-555-0821 |
| Primary Part Number | K40A1000 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company |
| Status | ACTIVE |
| Fabrication Method | EXTRUDED |
| Right Side Top Flange Distance to Center of Both Flanges | 1.000 INCHES NOMINAL IN |
| Left Side Top Flange Distance to Center of Both Flanges | 1.000 INCHES NOMINAL IN |
| First Tip Style | LOWER RADIUS |
| Third Tip Style | FULL RADIUS |
| Material | ALUMINUM ALLOY 2024 |
| Third Tip Relationship to Preceding Tips | NOT IDENTICAL |
| First Tip Radius | 0.094 INCHES NOMINAL IN |
| Heat Treatment | O-ANNEALED |
| Basic Shape Style | T SHAPE |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Second Tip Relationship to First Tip | IDENTICAL |
| Nondefinitive Spec/std Data | O TEMPER |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Leg Thickness | 0.094 INCHES NOMINAL IN |
| Third Tip Radius | 0.047 INCHES NOMINAL IN |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.094 INCHES NOMINAL IN |
| Top Flange Width | 2.000 INCHES NOMINAL IN |
| Left Side Top Flange Thickness | 0.094 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Right Side Top Flange Thickness | 0.094 INCHES NOMINAL IN |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.094 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.330 POUNDS PER LINEAR FOOT LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S1330635 | The Boeing Company (USA) |
| S1330635 | The Boeing Company (USA) |
| 14663 | 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) |
| HT193 | Kaiser Aluminum and Chemical Corp Trentwood Works-Marketing Dept (USA) |
| AND10136-2002 | Airforce-Navy Aeronautical Design Standard |
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 7304 | Reynolds Metals Co (USA) |
| 40305 | Bohn Aluminum and Brass Co Div of Gulf and Western Mfg Co Sub of Gulf and Western Industries (USA) |
| K40A1000 PRIMARY | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
NSN 9540-00-555-0821 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 9540-00-555-0821 has 11 cross-referenced part numbers: S1330635 (The Boeing Company), S1330635 (The Boeing Company), 14663 (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 6 more.
There are 12 known substitutes for 9540-00-555-0821: 5950-00-103-6413, 4730-00-124-5692, 5910-00-187-2746 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for K40A1000: Fabrication Method: EXTRUDED; Right Side Top Flange Distance to Center of Both Flanges: 1.000 INCHES NOMINAL IN; Left Side Top Flange Distance to Center of Both Flanges: 1.000 INCHES NOMINAL IN; First Tip Style: LOWER RADIUS. 25 total characteristics are documented in the Federal Logistics Information System.