The Angle,structural, cataloged under National Stock Number 9540-00-251-3102, 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 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 9540-00-251-3102 |
| Primary Part Number | LS3728 |
| Item Name | Angle,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp |
| Status | CANCELLED |
| Fabrication Method | EXTRUDED |
| Left Side Flange Thickness | 0.040 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Weight Per Unit Measure | 0.080 POUNDS PER LINEAR FOOT LBS |
| Basic Shape Style | ANGLE |
| First Tip Style | SQUARE END |
| Nondefinitive Spec/std Data | 2024 ALLOY AND T4 TEMPER |
| Fillet Radius Where Left Flange Joins Base Flange | 0.062 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Second Tip Relationship to First Tip | IDENTICAL |
| Material Document and Classification | ASTM B221 ASSN STD SINGLE MATERIAL RESPONSE |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Heat Treatment | T-4 SOLUTION HEAT TREATED |
| Base Flange Thickness | 0.040 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| ASTM B221 | American Society for Testing and Materials Dba Astm International (USA) |
| 60-2447 | Transtar Metals Corp (USA) |
| 13762 | International Light Metals Corp Sub of Martin Marietta Corp (USA) |
| 22509 | Aluminum Co of America (USA) |
| 18924 | International Light Metals Corp Sub of Martin Marietta Corp (USA) |
| BAC1503-1508 | The Boeing Company Div Defense (USA) |
| LS3728 PRIMARY | Lockheed Martin Corp (USA) |
| 203075 | Aluminum Co of America (USA) |
NSN 9540-00-251-3102 is a Angle,structural, manufactured by Lockheed Martin Corp, classified under FSC 9540 (No Item Name Available). Status: cancelled.
NSN 9540-00-251-3102 has 9 cross-referenced part numbers: QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC), ASTM B221 (American Society for Testing and Materials Dba Astm International), 60-2447 (Transtar Metals Corp), 13762 (International Light Metals Corp Sub of Martin Marietta Corp), 22509 (Aluminum Co of America) and 4 more.
There are 12 known substitutes for 9540-00-251-3102: 3110-00-100-0573, 2810-00-147-5590, 5975-00-212-6244 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for LS3728: Fabrication Method: EXTRUDED; Left Side Flange Thickness: 0.040 INCHES NOMINAL IN; Overall Height: 0.750 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 2024. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 9540-00-251-3102 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.