The Beam,structural, cataloged under National Stock Number 9540-00-205-4021, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-205-4021 |
| Primary Part Number | 10739 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Alcoa/reynolds Metals Company |
| Status | ACTIVE |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Heat Treatment | T-6 SOLUTION HEAT TREATED |
| Top Flange Width | 2.600 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | T6 TEMPER |
| Material | ALUMINUM ALLOY 7075 |
| Material Document and Classification | QQ-A-200/11 FED SPEC 1ST MATERIAL RESPONSE |
| Right Side Top Flange Distance to Center of Both Flanges | 1.300 INCHES NOMINAL IN |
| First Tip Inner Radius | 0.032 INCHES NOMINAL IN |
| First Tip Outer Radius | 0.032 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.905 POUNDS PER LINEAR FOOT LBS |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.250 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Basic Shape Style | T SHAPE |
| Right Side Top Flange Thickness | 0.190 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | IDENTICAL |
| Left Side Top Flange Distance to Center of Both Flanges | 1.300 INCHES NOMINAL IN |
| Fabrication Method | EXTRUDED |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.250 INCHES NOMINAL IN |
| First Tip Style | SQUARE W/ INNER AND OUTER CORNER RADII |
| Leg Thickness | 0.200 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Left Side Top Flange Thickness | 0.190 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 10739 | Alcoa/reynolds Metals Company (USA) |
| LS5011 | Lockheed Martin Corp (USA) |
| QQ-A-200/11 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| AMS-QQ-A-200/11 | Society of Automotive Engineers Inc (USA) |
| PA10045 | Transtar Metals Corp (USA) |
| AMS-QQ-A-200/11 | Sae International Dba Sae International (USA) |
NSN 9540-00-205-4021 is a Beam,structural, manufactured by Alcoa/reynolds Metals Company, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-00-205-4021 has 6 cross-referenced part numbers: 10739 (Alcoa/reynolds Metals Company), LS5011 (Lockheed Martin Corp), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), PA10045 (Transtar Metals Corp) and 1 more.
There are 9 known substitutes for 9540-00-205-4021: 4720-00-203-3742, 5945-00-223-0785, 5935-00-919-4349 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 10739: Right Top Inside Angle: 90.0 DEGREES NOMINAL; Heat Treatment: T-6 SOLUTION HEAT TREATED; Top Flange Width: 2.600 INCHES NOMINAL IN; Nondefinitive Spec/std Data: T6 TEMPER. 24 total characteristics are documented in the Federal Logistics Information System.