The Beam,structural, cataloged under National Stock Number 9540-00-502-1286, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-502-1286 |
| Primary Part Number | 1M57258 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Left Side Top Flange Distance to Center of Both Flanges | 1.500 INCHES NOMINAL IN |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.090 INCHES NOMINAL IN |
| Left Side Top Flange Thickness | 0.040 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Second Tip Relationship to First Tip | IDENTICAL |
| Basic Shape Style | T SHAPE |
| Heat Treatment | T-8511 SOLUTION HEAT TREATED |
| Right Side Top Flange Thickness | 0.040 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | T8511 TEMPER |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Top Flange Width | 3.000 INCHES NOMINAL IN |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Right Side Top Flange Distance to Center of Both Flanges | 1.500 INCHES NOMINAL IN |
| Fabrication Method | EXTRUDED |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.090 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.206 POUNDS PER LINEAR FOOT LBS |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| First Tip Style | SQUARE END |
| Leg Thickness | 0.040 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1M57258 | The Boeing Company Div Defense (USA) |
| 1MA160B04-10227 | The Boeing Company Div Defense (USA) |
| 19982 | Transtar Metals Corp (USA) |
| AMS-QQ-A-200/3 | Society of Automotive Engineers Inc (USA) |
| 0-5128 | Dresser Pump Div Dresser Industries Inc (USA) |
| AMS-QQ-A-200/3 | Sae International Dba Sae International (USA) |
| QQA200-3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 9540-00-502-1286 is a Beam,structural, manufactured by The Boeing Company Div Defense, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-00-502-1286 has 7 cross-referenced part numbers: 1M57258 (The Boeing Company Div Defense), 1MA160B04-10227 (The Boeing Company Div Defense), 19982 (Transtar Metals Corp), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc), 0-5128 (Dresser Pump Div Dresser Industries Inc) and 2 more.
There are 6 known substitutes for 9540-00-502-1286: 5315-00-281-7521, 2940-00-430-4723, 9540-00-503-6404 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1M57258: Left Side Top Flange Distance to Center of Both Flanges: 1.500 INCHES NOMINAL IN; Overall Height: 1.250 INCHES NOMINAL IN; Fillet Radius Where Top Right Flange Joins Web Flange/leg: 0.090 INCHES NOMINAL IN; Left Side Top Flange Thickness: 0.040 INCHES NOMINAL IN. 22 total characteristics are documented in the Federal Logistics Information System.