The Angle,structural, cataloged under National Stock Number 9540-00-251-1903, 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 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-251-1903 |
| 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 Relationship to First Tip | IDENTICAL |
| First Tip Style | SQUARE END |
| Left Side Flange Thickness | 0.098 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.222 POUNDS PER LINEAR FOOT LBS |
| Material | ALUMINUM ALLOY 2024 |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Base Flange Thickness | 0.098 INCHES NOMINAL IN |
| Basic Shape Style | ANGLE |
| Heat Treatment | T-3511 SOLUTION HEAT TREATED |
| Nondefinitive Spec/std Data | 2024 ALLOY AND T3511 TEMPER |
| Fabrication Method | EXTRUDED |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Fillet Radius Where Left Flange Joins Base Flange | 0.098 INCHES NOMINAL IN |
| 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) |
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 9870 | Aluminum Co of America (USA) |
| AMS-QQ-A-200/3 | Sae International Dba Sae International (USA) |
NSN 9540-00-251-1903 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 9540-00-251-1903 has 5 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), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC), 9870 (Aluminum Co of America), AMS-QQ-A-200/3 (Sae International Dba Sae International).
There are 5 known substitutes for 9540-00-251-1903: 3110-00-466-2489, 6140-00-500-0610, 4330-00-979-6410 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for ASTM B221: Second Tip Relationship to First Tip: IDENTICAL; First Tip Style: SQUARE END; Left Side Flange Thickness: 0.098 INCHES NOMINAL IN; Weight Per Unit Measure: 0.222 POUNDS PER LINEAR FOOT LBS. 16 total characteristics are documented in the Federal Logistics Information System.