The Angle,structural, cataloged under National Stock Number 9540-00-251-1898, 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 Aluminum Co of America. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-251-1898 |
| Primary Part Number | 12200 |
| Item Name | Angle,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Aluminum Co of America |
| Status | ACTIVE |
| Heat Treatment | T-3511 SOLUTION HEAT TREATED |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| First Tip Inner Radius | 0.062 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Fabrication Method | EXTRUDED |
| Outer Radius Where Left Flange Joins Base Flange | 0.032 INCHES NOMINAL IN |
| First Tip Style | SQUARE W/ INNER AND OUTER CORNER RADII |
| Basic Shape Style | ANGLE |
| Base Flange Thickness | 0.125 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.400 POUNDS PER LINEAR FOOT LBS |
| Left Side Flange Thickness | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | 2024 ALLOY AND T3511 TEMPER |
| Fillet Radius Where Left Flange Joins Base Flange | 0.125 INCHES NOMINAL IN |
| First Tip Outer Radius | 0.032 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | IDENTICAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12200 | Aluminum Co of America (USA) |
| T4041 | Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations (USA) |
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| LS210 | The Boeing Company Div Defense (USA) |
| AMS-QQ-A-200/3 | Society of Automotive Engineers Inc (USA) |
| ASTM B221 | American Society for Testing and Materials Dba Astm International (USA) |
| AMS-QQ-A-200/3 | Sae International Dba Sae International (USA) |
NSN 9540-00-251-1898 is a Angle,structural, manufactured by Aluminum Co of America, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-00-251-1898 has 7 cross-referenced part numbers: 12200 (Aluminum Co of America), T4041 (Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC), LS210 (The Boeing Company Div Defense), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc) and 2 more.
There are 2 known substitutes for 9540-00-251-1898: 9540-00-555-3218, 5950-01-399-4552. Verify interchangeability with system specifications before substitution.
Key specifications for 12200: Heat Treatment: T-3511 SOLUTION HEAT TREATED; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Left Inside Angle: 90.0 DEGREES NOMINAL; First Tip Inner Radius: 0.062 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.