The Beam,structural, cataloged under National Stock Number 9540-01-071-3520, 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 9 commercial cross-references from 8 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 | 9540-01-071-3520 |
| Primary Part Number | PA6256 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Transtar Metals Corp |
| Status | ACTIVE |
| Weight Per Unit Measure | 0.355 POUNDS PER LINEAR FOOT LBS |
| Second Tip Relationship to First Tip | IDENTICAL |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Material | ALUMINUM ALLOY 2024 |
| Right Side Top Flange Thickness | 0.070 INCHES NOMINAL IN |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.094 INCHES NOMINAL IN |
| Right Side Top Flange Distance to Center of Both Flanges | 1.125 INCHES NOMINAL IN |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Specification/standard Data | 81755-K40 MANUFACTURERS STANDARD |
| First Tip Style | SQUARE END |
| Nondefinitive Spec/std Data | 3511 TEMPER |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Heat Treatment | T-3511 SOLUTION HEAT TREATED |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.094 INCHES NOMINAL IN |
| Basic Shape Style | T SHAPE |
| Left Side Top Flange Thickness | 0.070 INCHES NOMINAL IN |
| Top Flange Width | 2.250 INCHES NOMINAL IN |
| Fabrication Method | EXTRUDED |
| Left Side Top Flange Distance to Center of Both Flanges | 1.125 INCHES NOMINAL IN |
| Leg Thickness | 0.070 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| PA6256 | Transtar Metals Corp (USA) |
| 18048 | International Light Metals Corp Sub of Martin Marietta Corp (USA) |
| 9540PL0905355 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| MS14375E101 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 60-4930 | Transtar Metals Corp (USA) |
| AMS-QQ-A-200/3 | Society of Automotive Engineers Inc (USA) |
| AMS-QQ-A-200/3 | Sae International Dba Sae International (USA) |
| K40A36T3511 | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 9540-01-071-3520 is a Beam,structural, manufactured by Transtar Metals Corp, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-01-071-3520 has 9 cross-referenced part numbers: PA6256 (Transtar Metals Corp), 18048 (International Light Metals Corp Sub of Martin Marietta Corp), 9540PL0905355 (Jednolity Indeks Materialowy - Uniform Material Index), MS14375E101 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 60-4930 (Transtar Metals Corp) and 4 more.
There are 12 known substitutes for 9540-01-071-3520: 5977-00-012-8257, 5133-00-189-9293, 5935-00-192-4894 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for PA6256: Weight Per Unit Measure: 0.355 POUNDS PER LINEAR FOOT LBS; Second Tip Relationship to First Tip: IDENTICAL; Left Top Inside Angle: 90.0 DEGREES NOMINAL; Material: ALUMINUM ALLOY 2024. 23 total characteristics are documented in the Federal Logistics Information System.