The Beam,structural, cataloged under National Stock Number 9540-00-006-8448, 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 Transtar Metals Corp. Government technical data includes 22 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-006-8448 |
| Primary Part Number | 6221 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Transtar Metals Corp |
| Status | ACTIVE |
| Right Side Top Flange Thickness | 0.125 INCHES NOMINAL IN |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| First Tip Inner Radius | 0.031 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.568 POUNDS PER LINEAR FOOT LBS |
| Material | ALUMINUM ALLOY 7075 |
| Leg Thickness | 0.125 INCHES NOMINAL IN |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.130 INCHES NOMINAL IN |
| Material Document and Classification | AMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE |
| First Tip Style | SQUARE W/ INNER AND OUTER CORNER RADII |
| Nondefinitive Spec/std Data | 7075 ALLOY AND T6 TEMPER OR T6511 TEMPER |
| Right Side Top Flange Distance to Center of Both Flanges | 1.188 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Top Flange Width | 2.375 INCHES NOMINAL IN |
| Heat Treatment | T-6 SOLUTION HEAT TREATED OR T-6511 SOLUTION HEAT TREATED |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.130 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Second Tip Relationship to First Tip | IDENTICAL |
| Left Side Top Flange Thickness | 0.125 INCHES NOMINAL IN |
| Left Side Top Flange Distance to Center of Both Flanges | 1.187 INCHES NOMINAL IN |
| Basic Shape Style | T SHAPE |
| First Tip Outer Radius | 0.031 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6221 | Transtar Metals Corp (USA) |
| QQ-A-200/11 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| AMS-QQ-A-200/11 | Society of Automotive Engineers Inc (USA) |
| 15084 | International Light Metals Corp Sub of Martin Marietta Corp (USA) |
| 31345 | Aluminum Co of America (USA) |
| LS497-3 | Lockheed Martin Corp (USA) |
| T2378 | Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations (USA) |
| AMS-QQ-A-200/11 | Sae International Dba Sae International (USA) |
NSN 9540-00-006-8448 is a Beam,structural, manufactured by Transtar Metals Corp, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-00-006-8448 has 8 cross-referenced part numbers: 6221 (Transtar Metals Corp), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), 15084 (International Light Metals Corp Sub of Martin Marietta Corp), 31345 (Aluminum Co of America) and 3 more.
There are 11 known substitutes for 9540-00-006-8448: 3110-00-155-6675, 7510-00-223-6707, 9540-00-251-2681 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6221: Right Side Top Flange Thickness: 0.125 INCHES NOMINAL IN; Right Top Inside Angle: 90.0 DEGREES NOMINAL; First Tip Inner Radius: 0.031 INCHES NOMINAL IN; Weight Per Unit Measure: 0.568 POUNDS PER LINEAR FOOT LBS. 23 total characteristics are documented in the Federal Logistics Information System.