The Beam,structural, cataloged under National Stock Number 9540-00-931-7258, 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 8 commercial cross-references from 7 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 | 9540-00-931-7258 |
| Primary Part Number | PA20872 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Transtar Metals Corp |
| Status | ACTIVE |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Heat Treatment | T-6 SOLUTION HEAT TREATED OR T-6511 SOLUTION HEAT TREATED |
| Material | ALUMINUM ALLOY 7178 |
| Fabrication Method | EXTRUDED |
| Left Side Top Flange Distance to Center of Both Flanges | 1.969 INCHES NOMINAL IN |
| First Tip Style | SQUARE END |
| Material Document and Classification | AMS-Q-A-200/13 FED SPEC SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | T6 TEMPER OR T6511 TEMPER |
| Leg Thickness | 0.062 INCHES NOMINAL IN |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Top Flange Width | 4.200 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | IDENTICAL W/FIRST TIP |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Right Side Top Flange Distance to Center of Both Flanges | 2.231 INCHES NOMINAL IN |
| Left Side Top Flange Thickness | 0.062 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | IDENTICAL |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Basic Shape Style | T SHAPE |
| Weight Per Unit Measure | 0.470 POUNDS PER LINEAR FOOT LBS |
| Right Side Top Flange Thickness | 0.062 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| PA20872 | Transtar Metals Corp (USA) |
| 1M5784 | The Boeing Company Div Defense (USA) |
| AMS-QQ-A-200/13 | Sae International Dba Sae International (USA) |
| QQ-A-200/13 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| AMS-QQ-A-200/13 | Society of Automotive Engineers Inc (USA) |
| 52423 | International Light Metals Corp Sub of Martin Marietta Corp (USA) |
| 86605 | Aluminum Co of America (USA) |
| 60-5251 | Transtar Metals Corp (USA) |
NSN 9540-00-931-7258 is a Beam,structural, manufactured by Transtar Metals Corp, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-00-931-7258 has 8 cross-referenced part numbers: PA20872 (Transtar Metals Corp), 1M5784 (The Boeing Company Div Defense), AMS-QQ-A-200/13 (Sae International Dba Sae International), QQ-A-200/13 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/13 (Society of Automotive Engineers Inc) and 3 more.
There are 8 known substitutes for 9540-00-931-7258: 5340-00-104-2075, 5330-00-571-9716, 5999-00-845-4676 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for PA20872: Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Fillet Radius Where Top Left Flange Joins Web Flange/leg: 0.125 INCHES NOMINAL IN; Heat Treatment: T-6 SOLUTION HEAT TREATED OR T-6511 SOLUTION HEAT TREATED; Material: ALUMINUM ALLOY 7178. 22 total characteristics are documented in the Federal Logistics Information System.