The Beam,structural, cataloged under National Stock Number 9540-01-071-2142, 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 11 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 | 9540-01-071-2142 |
| Primary Part Number | 60-11639 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Transtar Metals Corp |
| Status | ACTIVE |
| Second Tip Relationship to First Tip | IDENTICAL |
| Right Side Top Flange Thickness | 0.100 INCHES NOMINAL IN |
| Heat Treatment | O-ANNEALED |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Material | ALUMINUM ALLOY 2024 |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.190 INCHES NOMINAL IN |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.190 INCHES NOMINAL IN |
| Left Side Top Flange Thickness | 0.100 INCHES NOMINAL IN |
| Basic Shape Style | T SHAPE |
| Top Flange Width | 4.000 INCHES NOMINAL IN |
| Specification/standard Data | 81755-K40 MANUFACTURERS STANDARD |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | O TEMPER |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Left Side Top Flange Distance to Center of Both Flanges | 2.000 INCHES NOMINAL IN |
| First Tip Style | SQUARE END |
| Weight Per Unit Measure | 0.790 POUNDS PER LINEAR FOOT LBS |
| Fabrication Method | EXTRUDED |
| Right Side Top Flange Distance to Center of Both Flanges | 2.000 INCHES NOMINAL IN |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Leg Thickness | 0.100 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 60-11639 | Transtar Metals Corp (USA) |
| 32548 | Aluminum Co of America (USA) |
| 5614 | Alcoa/reynolds Metals Company (USA) |
| 14733 | International Light Metals Corp Sub of Martin Marietta Corp (USA) |
| MS14375E161 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| AMS-QQ-A-200/3 | Sae International Dba Sae International (USA) |
| AMS-QQ-A-200/3 | Society of Automotive Engineers Inc (USA) |
| PA6345 | Transtar Metals Corp (USA) |
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| K40A109O | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
| 11008-A | Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions (USA) |
NSN 9540-01-071-2142 is a Beam,structural, manufactured by Transtar Metals Corp, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-01-071-2142 has 11 cross-referenced part numbers: 60-11639 (Transtar Metals Corp), 32548 (Aluminum Co of America), 5614 (Alcoa/reynolds Metals Company), 14733 (International Light Metals Corp Sub of Martin Marietta Corp), MS14375E161 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.
There are 12 known substitutes for 9540-01-071-2142: 5935-00-164-0258, 5310-00-208-7769, 5120-00-277-1196 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 60-11639: Second Tip Relationship to First Tip: IDENTICAL; Right Side Top Flange Thickness: 0.100 INCHES NOMINAL IN; Heat Treatment: O-ANNEALED; Left Top Inside Angle: 90.0 DEGREES NOMINAL. 23 total characteristics are documented in the Federal Logistics Information System.