The Structural Section,special Shape, cataloged under National Stock Number 9540-00-684-6321, 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 Alcoa/reynolds Metals Company. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9540-00-684-6321 |
| Primary Part Number | 18690 |
| Item Name | Structural Section,special Shape |
| FSC / FSG | 9540 / 95 — No Item Name Available |
| Manufacturer | Alcoa/reynolds Metals Company |
| Status | ACTIVE |
| Heat Treatment | T-6 SOLUTION HEAT TREATED |
| Material | ALUMINUM ALLOY 7075 |
| Length | 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Fabrication Method | EXTRUDED |
| Nondefinitive Spec/std Data | T6 TEMPER |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MATERIAL,TEMPER AND LENGTH REQUIREMENTS |
| Material Document and Classification | AMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Weight Per Unit Measure | 0.678 POUNDS PER LINEAR FOOT LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 18690 | Alcoa/reynolds Metals Company (USA) |
| AMS-QQ-A-200/11 | Society of Automotive Engineers Inc (USA) |
| QQA200-11 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| AMS-QQ-A-200/11 | Sae International Dba Sae International (USA) |
| S1507-41333-1 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 9540-00-684-6321 is a Structural Section,special Shape, manufactured by Alcoa/reynolds Metals Company, classified under FSC 9540 (No Item Name Available). Status: active.
NSN 9540-00-684-6321 has 5 cross-referenced part numbers: 18690 (Alcoa/reynolds Metals Company), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), QQA200-11 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/11 (Sae International Dba Sae International), S1507-41333-1 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
There are 6 known substitutes for 9540-00-684-6321: 3110-00-100-3528, 5970-00-442-0168, 5330-00-599-7091 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 18690: Heat Treatment: T-6 SOLUTION HEAT TREATED; Material: ALUMINUM ALLOY 7075; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Fabrication Method: EXTRUDED. 8 total characteristics are documented in the Federal Logistics Information System.