The Angle,structural, cataloged under National Stock Number 9540-00-929-1820, 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 10 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-929-1820 |
| 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 |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Fillet Radius Where Left Flange Joins Base Flange | 0.312 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Second Tip Relationship to First Tip | NOT IDENTICAL |
| First Tip Style | RIGHT QUARTER RADIUS |
| First Tip Radius | 0.188 INCHES NOMINAL IN |
| Base Flange Thickness | 0.375 INCHES NOMINAL IN |
| Heat Treatment | T-4 SOLUTION HEAT TREATED |
| Weight Per Unit Measure | 2.090 POUNDS PER LINEAR FOOT LBS |
| Second Tip Style | UPPER RADIUS |
| Second Tip Radius | 0.188 INCHES NOMINAL IN |
| Basic Shape Style | ANGLE |
| Left Side Flange Thickness | 0.375 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 2024 ALLOY AND T4 TEMPER |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Fabrication Method | EXTRUDED |
| 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 | Society of Automotive Engineers Inc (USA) |
| AMS-QQ-A-200/3 | Sae International Dba Sae International (USA) |
| 15539 | International Light Metals Corp Sub of Martin Marietta Corp (USA) |
| HA324 | Kaiser Aluminum and Chemical Corp (USA) |
| QQA200-3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 734PP | Aluminum Co of America (USA) |
| PA4560 | Transtar Metals Corp (USA) |
| BAC1503-8978 | The Boeing Company (USA) |
| 5361 | Alcoa/reynolds Metals Company (USA) |
NSN 9540-00-929-1820 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 9540-00-929-1820 has 10 cross-referenced part numbers: ASTM B221 (American Society for Testing and Materials Dba Astm International), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc), AMS-QQ-A-200/3 (Sae International Dba Sae International), 15539 (International Light Metals Corp Sub of Martin Marietta Corp), HA324 (Kaiser Aluminum and Chemical Corp) and 5 more.
There are 12 known substitutes for 9540-00-929-1820: 5342-00-090-3075, 5330-00-097-9057, 5331-00-166-0963 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for ASTM B221: Left Inside Angle: 90.0 DEGREES NOMINAL; Fillet Radius Where Left Flange Joins Base Flange: 0.312 INCHES NOMINAL IN; Overall Height: 2.000 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 2024. 19 total characteristics are documented in the Federal Logistics Information System.