The Beam,structural, cataloged under National Stock Number 9540-00-406-7678, 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 25 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-406-7678 |
| Primary Part Number | 273335 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Aluminum Co of America |
| Status | ACTIVE |
| Third Tip Style | SQUARE W/ INNER AND OUTER CORNER RADII |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Right Side Top Flange Thickness | 0.200 INCHES NOMINAL IN |
| First Tip Style | LOWER RADIUS |
| Material | ALUMINUM ALLOY 7075 |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.160 INCHES NOMINAL IN |
| Basic Shape Style | T SHAPE |
| Leg Thickness | 0.188 INCHES NOMINAL IN |
| Top Flange Width | 2.000 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.896 POUNDS PER LINEAR FOOT LBS |
| Material Document and Classification | AMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | T6 TEMPER |
| Heat Treatment | T-6 SOLUTION HEAT TREATED |
| Fabrication Method | EXTRUDED |
| Left Side Top Flange Distance to Center of Both Flanges | 1.000 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | IDENTICAL |
| Third Tip Inner Radius | 0.032 INCHES NOMINAL IN |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.160 INCHES NOMINAL IN |
| Right Side Top Flange Distance to Center of Both Flanges | 1.000 INCHES NOMINAL IN |
| Left Side Top Flange Thickness | 0.200 INCHES NOMINAL IN |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| First Tip Radius | 0.032 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | NOT IDENTICAL |
| Third Tip Outer Radius | 0.032 INCHES NOMINAL IN |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 273335 | Aluminum Co of America (USA) |
| T2718 | Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations (USA) |
| QQ-A-200/11 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 6010742 | Transtar Metals Corp (USA) |
| AMS-QQ-A-200/11 | Society of Automotive Engineers Inc (USA) |
| LS5331 | Lockheed Martin Corp (USA) |
| AMS-QQ-A-200/11 | Sae International Dba Sae International (USA) |
NSN 9540-00-406-7678 is a Beam,structural, manufactured by Aluminum Co of America, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-00-406-7678 has 7 cross-referenced part numbers: 273335 (Aluminum Co of America), T2718 (Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC), 6010742 (Transtar Metals Corp), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc) and 2 more.
There is 1 known substitute for 9540-00-406-7678: 5940-00-578-0905. Verify interchangeability with system specifications before substitution.
Key specifications for 273335: Third Tip Style: SQUARE W/ INNER AND OUTER CORNER RADII; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Right Side Top Flange Thickness: 0.200 INCHES NOMINAL IN; Overall Height: 2.000 INCHES NOMINAL IN. 26 total characteristics are documented in the Federal Logistics Information System.