The Angle,structural, cataloged under National Stock Number 9540-00-251-1839, 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 Cessna Aircraft Company Dba Textron Aviation. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 9540-00-251-1839 |
| Primary Part Number | S79 |
| Item Name | Angle,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Cessna Aircraft Company Dba Textron Aviation |
| Status | CANCELLED |
| Left Side Flange Thickness | 0.094 INCHES NOMINAL IN |
| Second Tip Relationship to First Tip | NOT IDENTICAL |
| Heat Treatment | T-3511 SOLUTION HEAT TREATED |
| Fabrication Method | EXTRUDED |
| Material | ALUMINUM ALLOY 2024 |
| Basic Shape Style | ANGLE |
| Nondefinitive Spec/std Data | 2024 ALLOY AND T3511 TEMPER |
| First Tip Radius | 0.094 INCHES NOMINAL IN |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Left Inside Angle | 90.0 DEGREES NOMINAL |
| Base Flange Thickness | 0.094 INCHES NOMINAL IN |
| Material Document and Classification | AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Second Tip Radius | 0.094 INCHES NOMINAL IN |
| Fillet Radius Where Left Flange Joins Base Flange | 0.125 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.210 POUNDS PER LINEAR FOOT LBS |
| Second Tip Style | UPPER RADIUS |
| First Tip Style | RIGHT QUARTER RADIUS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S79 | Cessna Aircraft Company Dba Textron Aviation (USA) |
| 78F | Aluminum Co of America (USA) |
| T1444 | Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations (USA) |
| ASTM B221 | American Society for Testing and Materials Dba Astm International (USA) |
| AMS-QQ-A-200/3 | Sae International Dba Sae International (USA) |
| T3612 | Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations (USA) |
| QQ-A-200/3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| AMS-QQ-A-200/3 | Society of Automotive Engineers Inc (USA) |
| P4085 | Alcoa/reynolds Metals Company (USA) |
| S79 | Textron Aviation Inc (USA) |
| BAC1503-2732 | The Boeing Company Div Defense (USA) |
| 60-137 | Transtar Metals Corp (USA) |
NSN 9540-00-251-1839 is a Angle,structural, manufactured by Cessna Aircraft Company Dba Textron Aviation, classified under FSC 9540 (No Item Name Available). Status: cancelled.
NSN 9540-00-251-1839 has 12 cross-referenced part numbers: S79 (Cessna Aircraft Company Dba Textron Aviation), 78F (Aluminum Co of America), T1444 (Howmet Corporation Dba Alcoa Howmet, Whitehall, Casting Operations), ASTM B221 (American Society for Testing and Materials Dba Astm International), AMS-QQ-A-200/3 (Sae International Dba Sae International) and 7 more.
There are 12 known substitutes for 9540-00-251-1839: 4310-00-011-4111, 9540-00-148-4295, 5330-00-220-6946 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for S79: Left Side Flange Thickness: 0.094 INCHES NOMINAL IN; Second Tip Relationship to First Tip: NOT IDENTICAL; Heat Treatment: T-3511 SOLUTION HEAT TREATED; Fabrication Method: EXTRUDED. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 9540-00-251-1839 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.