The Angle,structural, cataloged under National Stock Number 9540-00-256-7783, 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 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-256-7783 |
| Primary Part Number | LS31121 |
| Item Name | Angle,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY 7075 |
| Basic Shape Style | ANGLE |
| Left Side Flange Thickness | 0.050 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.176 POUNDS PER LINEAR FOOT LBS |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| First Tip Style | SQUARE END |
| Nondefinitive Spec/std Data | T6 TEMPER |
| Material Document and Classification | AMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Base Flange Thickness | 0.050 INCHES NOMINAL IN |
| Heat Treatment | T-6 SOLUTION HEAT TREATED |
| Fillet Radius Where Left Flange Joins Base Flange | 0.060 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | IDENTICAL |
| Fabrication Method | EXTRUDED |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| LS31121 | Lockheed Martin Corp (USA) |
| 42380 | International Light Metals Corp Sub of Martin Marietta 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) |
| AMS-QQ-A-200/11 | Sae International Dba Sae International (USA) |
NSN 9540-00-256-7783 is a Angle,structural, manufactured by Lockheed Martin Corp, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-00-256-7783 has 5 cross-referenced part numbers: LS31121 (Lockheed Martin Corp), 42380 (International Light Metals Corp Sub of Martin Marietta Corp), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/11 (Sae International Dba Sae International).
There are 3 known substitutes for 9540-00-256-7783: 9540-00-004-5243, 5330-00-914-5828, 5962-01-089-2793. Verify interchangeability with system specifications before substitution.
Key specifications for LS31121: Overall Height: 1.000 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 7075; Basic Shape Style: ANGLE; Left Side Flange Thickness: 0.050 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.