The Angle,structural, cataloged under National Stock Number 9540-00-261-5171, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-261-5171 |
| Primary Part Number | LS3572-4 |
| Item Name | Angle,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Base Flange Thickness | 0.062 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 |
| First Tip Style | SQUARE END |
| Second Tip Relationship to First Tip | IDENTICAL |
| Weight Per Unit Measure | 0.110 POUNDS PER LINEAR FOOT LBS |
| Fillet Radius Where Left Flange Joins Base Flange | 0.062 INCHES NOMINAL IN |
| Left Side Flange Thickness | 0.062 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | T6 TEMPER |
| Material Document and Classification | AMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Basic Shape Style | ANGLE |
| Heat Treatment | T-6 SOLUTION HEAT TREATED |
| Fabrication Method | EXTRUDED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| LS3572-4 | Lockheed Martin Corp (USA) |
| AMS-QQ-A-200/11 | Sae International Dba Sae International (USA) |
| 14897 | International Light Metals Corp Sub of Martin Marietta Corp (USA) |
| AMS-QQ-A-200/11 | Society of Automotive Engineers Inc (USA) |
| E111105 | Hughes Missile Systems Co San Diego (USA) |
| QQ-A-200/11 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| E111105 | Tracor Flight Systems Inc Sub of Tracor Inc (USA) |
| 10262 | Alcoa/reynolds Metals Company (USA) |
| 5401 | Aluminum Co of America (USA) |
| 60-298 | Transtar Metals Corp (USA) |
| E111105 | General Dynamics Corp Convair Div Lindbergh Field Facility (USA) |
NSN 9540-00-261-5171 is a Angle,structural, manufactured by Lockheed Martin Corp, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-00-261-5171 has 11 cross-referenced part numbers: LS3572-4 (Lockheed Martin Corp), AMS-QQ-A-200/11 (Sae International Dba Sae International), 14897 (International Light Metals Corp Sub of Martin Marietta Corp), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), E111105 (Hughes Missile Systems Co San Diego) and 6 more.
There are 8 known substitutes for 9540-00-261-5171: 9540-00-145-8388, 9540-00-148-4815, 1660-00-395-7146 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for LS3572-4: Left Inside Angle: 90.0 DEGREES NOMINAL; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Overall Height: 0.750 INCHES NOMINAL IN; Base Flange Thickness: 0.062 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.