The Beam,structural, cataloged under National Stock Number 9540-01-071-1355, 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 | 9540-01-071-1355 |
| Primary Part Number | 60-4011 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Transtar Metals Corp |
| Status | ACTIVE |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Top Flange Width | 3.750 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.586 POUNDS PER LINEAR FOOT LBS |
| Leg Thickness | 0.078 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | IDENTICAL |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Left Side Top Flange Thickness | 0.078 INCHES NOMINAL IN |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Specification/standard Data | 81755-K40 MANUFACTURERS STANDARD |
| Nondefinitive Spec/std Data | O TEMPER |
| Left Side Top Flange Distance to Center of Both Flanges | 1.875 INCHES NOMINAL IN |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Heat Treatment | O-ANNEALED |
| Fabrication Method | EXTRUDED |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| First Tip Style | SQUARE END |
| Right Side Top Flange Thickness | 0.078 INCHES NOMINAL IN |
| Basic Shape Style | T SHAPE |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Right Side Top Flange Distance to Center of Both Flanges | 1.875 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 60-4011 | Transtar Metals Corp (USA) |
| 11408 | Alcoa/reynolds Metals Company (USA) |
| K40A68O | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
| MS14375E155 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 11006-A | Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions (USA) |
| AMS-QQ-A-200/3 | Society of Automotive Engineers Inc (USA) |
| AMS-QQ-A-200/3 | Sae International Dba Sae International (USA) |
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 9540-01-071-1355 is a Beam,structural, manufactured by Transtar Metals Corp, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-01-071-1355 has 8 cross-referenced part numbers: 60-4011 (Transtar Metals Corp), 11408 (Alcoa/reynolds Metals Company), K40A68O (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), MS14375E155 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 11006-A (Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions) and 3 more.
There are 11 known substitutes for 9540-01-071-1355: 5961-00-088-8792, 5845-00-240-6356, 3120-00-329-3831 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 60-4011: Fillet Radius Where Top Left Flange Joins Web Flange/leg: 0.125 INCHES NOMINAL IN; Top Flange Width: 3.750 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 2024; Fillet Radius Where Top Right Flange Joins Web Flange/leg: 0.125 INCHES NOMINAL IN. 23 total characteristics are documented in the Federal Logistics Information System.