The Beam,structural, cataloged under National Stock Number 9540-01-363-3403, 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 The Boeing Company Div Defense. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-01-363-3403 |
| Primary Part Number | 1M57173 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Heat Treatment | O-ANNEALED |
| Second Tip Relationship to First Tip | IDENTICAL |
| Left Side Top Flange Thickness | 0.063 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Basic Shape Style | T SHAPE |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.508 POUNDS PER LINEAR FOOT LBS |
| Left Side Top Flange Distance to Center of Both Flanges | 2.010 INCHES NOMINAL IN |
| Fabrication Method | EXTRUDED |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | 2024 ALLOY AND ANNEALED CONDITION |
| Right Side Top Flange Distance to Center of Both Flanges | 2.010 INCHES NOMINAL IN |
| Leg Thickness | 0.063 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Top Flange Width | 4.020 INCHES NOMINAL IN |
| Right Side Top Flange Thickness | 0.063 INCHES NOMINAL IN |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| First Tip Style | SQUARE END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1M57173 | The Boeing Company Div Defense (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) |
| 60-5872/2024-O | Transtar Metals Corp (USA) |
| AMS-QQ-A-200/3 | Society of Automotive Engineers Inc (USA) |
| 1MA160B01-10182 | The Boeing Company Div Defense (USA) |
| ASTM B221 | American Society for Testing and Materials Dba Astm International (USA) |
NSN 9540-01-363-3403 is a Beam,structural, manufactured by The Boeing Company Div Defense, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-01-363-3403 has 7 cross-referenced part numbers: 1M57173 (The Boeing Company Div Defense), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/3 (Sae International Dba Sae International), 60-5872/2024-O (Transtar Metals Corp), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc) and 2 more.
There are 2 known substitutes for 9540-01-363-3403: 9540-00-503-6616, 9540-01-364-0128. Verify interchangeability with system specifications before substitution.
Key specifications for 1M57173: Third Tip Relationship to Preceding Tips: IDENTICAL W/FIRST TIP; Left Top Inside Angle: 90.0 DEGREES NOMINAL; Heat Treatment: O-ANNEALED; Second Tip Relationship to First Tip: IDENTICAL. 22 total characteristics are documented in the Federal Logistics Information System.