The Beam,structural, cataloged under National Stock Number 9540-00-684-4683, 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 Transtar Metals Corp. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-684-4683 |
| Primary Part Number | PA7577 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Transtar Metals Corp |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY 7075 |
| Basic Shape Style | T SHAPE |
| Leg Thickness | 0.062 INCHES NOMINAL IN |
| Fabrication Method | EXTRUDED |
| Second Tip Relationship to First Tip | IDENTICAL |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Left Side Top Flange Distance to Center of Both Flanges | 1.850 INCHES NOMINAL IN |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| First Tip Style | SQUARE END |
| Right Side Top Flange Thickness | 0.062 INCHES NOMINAL IN |
| Right Side Top Flange Distance to Center of Both Flanges | 1.850 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | T6 TEMPER |
| Material Document and Classification | AMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Left Side Top Flange Thickness | 0.062 INCHES NOMINAL IN |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Heat Treatment | T-6 SOLUTION HEAT TREATED |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Weight Per Unit Measure | 0.470 POUNDS PER LINEAR FOOT LBS |
| Top Flange Width | 3.700 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| PA7577 | Transtar Metals Corp (USA) |
| 41958 | Alcoa/reynolds Metals Company (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) |
| 21354 | International Light Metals Corp Sub of Martin Marietta Corp (USA) |
| 60-6269 | Transtar Metals Corp (USA) |
| AMS-QQ-A-200/11 | Sae International Dba Sae International (USA) |
NSN 9540-00-684-4683 is a Beam,structural, manufactured by Transtar Metals Corp, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-00-684-4683 has 7 cross-referenced part numbers: PA7577 (Transtar Metals Corp), 41958 (Alcoa/reynolds Metals Company), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), 21354 (International Light Metals Corp Sub of Martin Marietta Corp) and 2 more.
There are 12 known substitutes for 9540-00-684-4683: 3110-00-155-6794, 3455-00-232-4211, 4730-00-278-8764 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for PA7577: Material: ALUMINUM ALLOY 7075; Basic Shape Style: T SHAPE; Leg Thickness: 0.062 INCHES NOMINAL IN; Fabrication Method: EXTRUDED. 22 total characteristics are documented in the Federal Logistics Information System.