The Beam,structural, cataloged under National Stock Number 9540-00-261-5595, 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 Lockheed Martin Corp. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 9540-00-261-5595 |
| Primary Part Number | LS2381 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp |
| Status | CANCELLED |
| First Tip Style | SQUARE END |
| Left Side Top Flange Distance to Center of Both Flanges | 1.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Weight Per Unit Measure | 0.530 POUNDS PER LINEAR FOOT LBS |
| Basic Shape Style | T SHAPE |
| Heat Treatment | T-3511 SOLUTION HEAT TREATED |
| Top Flange Width | 2.500 INCHES NOMINAL IN |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | T3511 TEMPER |
| Right Side Top Flange Distance to Center of Both Flanges | 1.250 INCHES NOMINAL IN |
| Fabrication Method | EXTRUDED |
| Second Tip Relationship to First Tip | IDENTICAL |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Right Side Top Flange Thickness | 0.125 INCHES NOMINAL IN |
| Left Side Top Flange Thickness | 0.125 INCHES NOMINAL IN |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Leg Thickness | 0.125 INCHES NOMINAL IN |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| LS2381 | Lockheed Martin Corp (USA) |
| 52495 | Aluminum Co of America (USA) |
| AMS-QQ-A-200/3 | Society of Automotive Engineers Inc (USA) |
| PA6227 | Transtar Metals Corp (USA) |
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 27285 | Alcoa/reynolds Metals Company (USA) |
| 60-4709 | Transtar Metals Corp (USA) |
| AMS-QQ-A-200/3 | Sae International Dba Sae International (USA) |
NSN 9540-00-261-5595 is a Beam,structural, manufactured by Lockheed Martin Corp, classified under FSC 9540 (No Item Name Available). Status: cancelled.
NSN 9540-00-261-5595 has 8 cross-referenced part numbers: LS2381 (Lockheed Martin Corp), 52495 (Aluminum Co of America), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc), PA6227 (Transtar Metals Corp), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC) and 3 more.
There are 9 known substitutes for 9540-00-261-5595: 6645-00-004-0510, 6115-00-044-0611, 5133-00-266-9463 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for LS2381: First Tip Style: SQUARE END; Left Side Top Flange Distance to Center of Both Flanges: 1.250 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 2024; Third Tip Relationship to Preceding Tips: IDENTICAL W/FIRST TIP. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 9540-00-261-5595 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.