The Beam,structural, cataloged under National Stock Number 9540-00-288-3686, 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 Aluminum Co of America. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-288-3686 |
| Primary Part Number | 39891 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Aluminum Co of America |
| Status | ACTIVE |
| Fillet Radius Where Bottom Left Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Left Side Bottom Flange Thickness | 0.125 INCHES NOMINAL IN |
| First Tip Style | SQUARE END |
| Right Side Bottom Flange Distance to Center of Both Flanges | 1.254 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Basic Shape Style | I SHAPE |
| Heat Treatment | T-6 SOLUTION HEAT TREATED |
| Left Side Top Flange Thickness | 0.091 INCHES NOMINAL IN |
| Fabrication Method | EXTRUDED |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Left Side Top Flange Distance to Center of Both Flanges | 1.246 INCHES NOMINAL IN |
| Fillet Radius Where Bottom Right Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Bottom Flange Width | 2.500 INCHES NOMINAL IN |
| Right Side Top Flange Thickness | 0.091 INCHES NOMINAL IN |
| Left Bottom Inside Angle | 90.0 DEGREES NOMINAL |
| Top Flange Width | 2.500 INCHES NOMINAL IN |
| Left Side Bottom Flange Distance to Center of Both Flanges | 1.246 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Material Document and Classification | AMS-Q-A-200/11 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-6 TEMPER |
| Second Tip Relationship to First Tip | IDENTICAL |
| Weight Per Unit Measure | 1.068 POUNDS PER LINEAR FOOT LBS |
| Web Flange Thickness | 0.102 INCHES NOMINAL IN |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Right Side Top Flange Distance to Center of Both Flanges | 1.254 INCHES NOMINAL IN |
| Right Side Bottom Flange Thickness | 0.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AMS-STD-184 | Society of Automotive Engineers Inc (USA) |
| AMS-QQ-A-200/11 ALLOY 7075 TMPR | Society of Automotive Engineers Inc (USA) |
| PA12597 | Transtar Metals Corp (USA) |
| 120078 | Northrop Grumman Systems Corporation (USA) |
| AMS-QQ-A-200/11 | Society of Automotive Engineers Inc (USA) |
| 39891 PRIMARY | Aluminum Co of America (USA) |
| QQ-A-200/11 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| AMS-QQ-A-200/11 ALLOY 7075 TMPR | Sae International Dba Sae International (USA) |
| AMS-STD-184 | Sae International Dba Sae International (USA) |
NSN 9540-00-288-3686 is a Beam,structural, manufactured by Aluminum Co of America, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-00-288-3686 has 9 cross-referenced part numbers: AMS-STD-184 (Society of Automotive Engineers Inc), AMS-QQ-A-200/11 ALLOY 7075 TMPR (Society of Automotive Engineers Inc), PA12597 (Transtar Metals Corp), 120078 (Northrop Grumman Systems Corporation), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc) and 4 more.
There are 8 known substitutes for 9540-00-288-3686: 9540-00-140-2399, 9540-00-145-4481, 9540-00-145-8423 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 39891: Overall Height: 3.531 INCHES NOMINAL IN; Fillet Radius Where Bottom Left Flange Joins Web Flange/leg: 0.125 INCHES NOMINAL IN; Left Side Bottom Flange Thickness: 0.125 INCHES NOMINAL IN; First Tip Style: SQUARE END. 30 total characteristics are documented in the Federal Logistics Information System.