The Beam,structural, cataloged under National Stock Number 9540-01-071-1350, 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 Alcoa/reynolds Metals Company. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 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 | 9540-01-071-1350 |
| Primary Part Number | 26598 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Alcoa/reynolds Metals Company |
| Status | ACTIVE |
| Right Side Top Flange Distance to Center of Both Flanges | 1.750 INCHES NOMINAL IN |
| Heat Treatment | T-3511 SOLUTION HEAT TREATED |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Left Side Top Flange Thickness | 0.100 INCHES NOMINAL IN |
| Right Side Top Flange Thickness | 0.100 INCHES NOMINAL IN |
| Basic Shape Style | T SHAPE |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Material | ALUMINUM ALLOY 2024 |
| Second Tip Relationship to First Tip | IDENTICAL |
| Left Side Top Flange Distance to Center of Both Flanges | 1.750 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | T3511 TEMPER |
| 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 |
| Fabrication Method | EXTRUDED |
| Weight Per Unit Measure | 0.670 POUNDS PER LINEAR FOOT LBS |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Leg Thickness | 0.100 INCHES NOMINAL IN |
| Top Flange Width | 3.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 26598 | Alcoa/reynolds Metals Company (USA) |
| 11072 | Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions (USA) |
| K40A108T3511 | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 60-4020 | Transtar Metals Corp (USA) |
| 9540PL1826748 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| MS14375E125 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| PA6334 | Transtar Metals Corp (USA) |
| AMS-QQ-A-200/3 | Society of Automotive Engineers Inc (USA) |
| 18660 | International Light Metals Corp Sub of Martin Marietta Corp (USA) |
NSN 9540-01-071-1350 is a Beam,structural, manufactured by Alcoa/reynolds Metals Company, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-01-071-1350 has 10 cross-referenced part numbers: 26598 (Alcoa/reynolds Metals Company), 11072 (Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions), K40A108T3511 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC), 60-4020 (Transtar Metals Corp) and 5 more.
There are 11 known substitutes for 9540-01-071-1350: 5905-00-104-5756, 5310-00-264-0381, 5950-00-763-0089 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 26598: Right Side Top Flange Distance to Center of Both Flanges: 1.750 INCHES NOMINAL IN; Heat Treatment: T-3511 SOLUTION HEAT TREATED; Third Tip Relationship to Preceding Tips: IDENTICAL W/FIRST TIP; Left Side Top Flange Thickness: 0.100 INCHES NOMINAL IN. 23 total characteristics are documented in the Federal Logistics Information System.