The Beam,structural, cataloged under National Stock Number 9540-00-261-5600, 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 Light Metals Corp. Government technical data includes 24 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 9540-00-261-5600 |
| Primary Part Number | LMC3120 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Light Metals Corp |
| Status | CANCELLED |
| Fabrication Method | EXTRUDED |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Right Side Top Flange Distance to Center of Both Flanges | 1.500 INCHES NOMINAL IN |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Material | ALUMINUM ALLOY 2024 |
| Basic Shape Style | T SHAPE |
| First Tip Style | LOWER RADIUS |
| Right Side Top Flange Thickness | 0.125 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | IDENTICAL |
| Left Side Top Flange Thickness | 0.125 INCHES NOMINAL IN |
| First Tip Radius | 0.125 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | NOT IDENTICAL |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | T-3511 TEMPER |
| Leg Thickness | 0.125 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.654 POUNDS PER LINEAR FOOT LBS |
| Third Tip Style | FULL RADIUS |
| Top Flange Width | 3.000 INCHES NOMINAL IN |
| Heat Treatment | T-3511 SOLUTION HEAT TREATED |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Third Tip Radius | 0.063 INCHES NOMINAL IN |
| Left Side Top Flange Distance to Center of Both Flanges | 1.500 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| LMC3120 | Light Metals Corp (USA) |
| 1199984 | The Boeing Company (USA) |
| HT209 | Kaiser Aluminum and Chemical Corp Trentwood Works-Marketing Dept (USA) |
| RY32014 | Northrop Grumman Systems Corporation (USA) |
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| AMS-QQ-A-200/3 | Sae International Dba Sae International (USA) |
| AND10136-3001 | Airforce-Navy Aeronautical Design Standard |
| 40549 | Bohn Aluminum and Brass Co Div of Gulf and Western Mfg Co Sub of Gulf and Western Industries (USA) |
| AMS-QQ-A-200/3 | Society of Automotive Engineers Inc (USA) |
| 31184 | Aluminum Co of America (USA) |
| 1199984 | The Boeing Company (USA) |
NSN 9540-00-261-5600 is a Beam,structural, manufactured by Light Metals Corp, classified under FSC 9540 (No Item Name Available). Status: cancelled.
NSN 9540-00-261-5600 has 11 cross-referenced part numbers: LMC3120 (Light Metals Corp), 1199984 (The Boeing Company), HT209 (Kaiser Aluminum and Chemical Corp Trentwood Works-Marketing Dept), RY32014 (Northrop Grumman Systems Corporation), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC) and 6 more.
There are 9 known substitutes for 9540-00-261-5600: 5136-00-189-3197, 3455-00-243-2177, 9540-00-266-9111 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for LMC3120: Fabrication Method: EXTRUDED; Right Top Inside Angle: 90.0 DEGREES NOMINAL; Right Side Top Flange Distance to Center of Both Flanges: 1.500 INCHES NOMINAL IN; Left Top Inside Angle: 90.0 DEGREES NOMINAL. 25 total characteristics are documented in the Federal Logistics Information System.
NSN 9540-00-261-5600 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.