The Beam,structural, cataloged under National Stock Number 9540-00-720-1329, 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. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 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: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-720-1329 |
| Primary Part Number | 1277788 |
| Item Name | Beam,structural |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Left Side Top Flange Thickness | 0.125 INCHES NOMINAL IN |
| Fillet Radius Where Top Right Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Heat Treatment | O-ANNEALED |
| Second Tip Relationship to First Tip | IDENTICAL |
| First Tip Style | LOWER RADIUS |
| Left Side Top Flange Distance to Center of Both Flanges | 1.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 |
| Right Side Top Flange Distance to Center of Both Flanges | 1.000 INCHES NOMINAL IN |
| Third Tip Radius | 0.062 INCHES NOMINAL IN |
| Top Flange Width | 2.000 INCHES NOMINAL IN |
| Third Tip Relationship to Preceding Tips | NOT IDENTICAL |
| Basic Shape Style | T SHAPE |
| Material Document and Classification | QQ-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | O TEMPER |
| Left Top Inside Angle | 90.0 DEGREES NOMINAL |
| Length | 12.000 FEET NOMINAL FT |
| First Tip Radius | 0.125 INCHES NOMINAL IN |
| Third Tip Style | FULL RADIUS |
| Right Side Top Flange Thickness | 0.125 INCHES NOMINAL IN |
| Weight Per Unit Measure | 0.430 POUNDS PER LINEAR FOOT LBS |
| Right Top Inside Angle | 90.0 DEGREES NOMINAL |
| Fabrication Method | EXTRUDED |
| Fillet Radius Where Top Left Flange Joins Web Flange/leg | 0.125 INCHES NOMINAL IN |
| Leg Thickness | 0.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AND10136-2003 | Airforce-Navy Aeronautical Design Standard |
| HT194 | Kaiser Aluminum and Chemical Corp Trentwood Works-Marketing Dept (USA) |
| QQA200-11 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 40182 | Bohn Aluminum and Brass Co Div of Gulf and Western Mfg Co Sub of Gulf and Western Industries (USA) |
| 8724 | Reynolds Metals Co (USA) |
| 1277788 PRIMARY | The Boeing Company (USA) |
| AMS-QQA200-11 | Society of Automotive Engineers Inc (USA) |
| RY32010 | Northrop Grumman Systems Corporation (USA) |
| LMC3012 | Light Metals Corp (USA) |
| AMS-QQA200-11 | Sae International Dba Sae International (USA) |
| 18478 | International Light Metals Corp Sub of Martin Marietta Corp (USA) |
NSN 9540-00-720-1329 is a Beam,structural, manufactured by The Boeing Company, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-00-720-1329 has 11 cross-referenced part numbers: AND10136-2003 (Airforce-Navy Aeronautical Design Standard), HT194 (Kaiser Aluminum and Chemical Corp Trentwood Works-Marketing Dept), QQA200-11 (Federal Specifications Promulgated by General Services Administration Washington DC), 40182 (Bohn Aluminum and Brass Co Div of Gulf and Western Mfg Co Sub of Gulf and Western Industries), 8724 (Reynolds Metals Co) and 6 more.
There are 12 known substitutes for 9540-00-720-1329: 2920-00-019-6103, 6145-00-104-6047, 6145-00-144-0918 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1277788: Left Side Top Flange Thickness: 0.125 INCHES NOMINAL IN; Fillet Radius Where Top Right Flange Joins Web Flange/leg: 0.125 INCHES NOMINAL IN; Heat Treatment: O-ANNEALED; Second Tip Relationship to First Tip: IDENTICAL. 25 total characteristics are documented in the Federal Logistics Information System.