The Angle,structural, cataloged under National Stock Number 9540-01-071-6537, 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 American Society for Testing and Materials Dba Astm International. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 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 | 9540-01-071-6537 |
| Primary Part Number | ASTM B221 |
| Item Name | Angle,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | American Society for Testing and Materials Dba Astm International |
| Status | ACTIVE |
| Second Tip Style | UPPER RADIUS |
| Material | ALUMINUM ALLOY 2024 |
| Base Flange Thickness | 0.125 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | NOT IDENTICAL |
| Nondefinitive Spec/std Data | 2024 ALLOY AND T8511 TEMPER |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Fabrication Method | EXTRUDED |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Fillet Radius Where Left Flange Joins Base Flange | 0.156 INCHES NOMINAL IN |
| Second Tip Radius | 0.125 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.467 POUNDS PER LINEAR FOOT LBS |
| First Tip Radius | 0.125 INCHES NOMINAL IN |
| First Tip Style | RIGHT QUARTER RADIUS |
| Basic Shape Style | ANGLE |
| Left Side Flange Thickness | 0.125 INCHES NOMINAL IN |
| Heat Treatment | T-8511 SOLUTION HEAT TREATED |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ASTM B221 | American Society for Testing and Materials Dba Astm International (USA) |
| AMS-QQ-A-200/3 | Sae International Dba Sae International (USA) |
| K10A111T8511 | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
| MS14284E207 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| AND10134-1603 | Airforce-Navy Aeronautical Design Standard |
| AMS-QQ-A-200/3 | Society of Automotive Engineers Inc (USA) |
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 10134-1603 | Transtar Metals Corp (USA) |
NSN 9540-01-071-6537 is a Angle,structural, manufactured by American Society for Testing and Materials Dba Astm International, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-01-071-6537 has 8 cross-referenced part numbers: ASTM B221 (American Society for Testing and Materials Dba Astm International), AMS-QQ-A-200/3 (Sae International Dba Sae International), K10A111T8511 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), MS14284E207 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AND10134-1603 (Airforce-Navy Aeronautical Design Standard) and 3 more.
There are 3 known substitutes for 9540-01-071-6537: 9540-00-234-0594, 9540-00-932-1931, 9540-01-363-7427. Verify interchangeability with system specifications before substitution.
Key specifications for ASTM B221: Second Tip Style: UPPER RADIUS; Overall Height: 1.500 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 2024; Overall Width: 1.750 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.