NAS43 Spacer Specification Report NAS43 is a National Aerospace Standard defining the requirements for spacers used in sleeve, screw, and bolt applications. These components are essential in aerospace assemblies for maintaining precise gaps and protecting structural surfaces. Scribd +1 1. Material & Mechanical Properties NAS43 spacers are primarily manufactured from two distinct material types depending on the strength requirements of the application: Scribd 2024 Aluminum Alloy (Suffix "DD"): Tensile Strength: 62,000 PSI minimum. Common Use: Standard aerospace applications where weight reduction is prioritized. Alloy Steel (Suffix "HT"): Tensile Strength: 125,000 – 145,000 PSI. Treatment: Heat-treated for high-strength requirements. Scribd 2. Finishes & Coatings The finish code is appended to the part number to specify environmental protection or identification requirements: Scribd Aluminum (N, FC, A): Options include Grey Anodize (MIL-A-8625), Chemical Film (MIL-C-5541), or No Finish. Alloy Steel (HT): Finished with Cadmium Plate (AMS-QQ-P-416). Scribd 3. Part Numbering System The National Aerospace Standard defines specifications through a coded system, indicating material, diameter, and length: Scribd +1 2 sites National Aerospace Standard: Spacer, Sleeve-Screw and Bolt TENSILE STRENGTH: 2024-TALUMINUM ALLOY 62,000 PSI MIN. HEAT TREATED ALLOY STEEL 125,000 - 145,000 PSI. FINISH: 2024-T ALUMINUM ALL... Scribd NAS43 | PDF | Steel | Screw - Scribd The document outlines the specifications for spacers, sleeves, screws, and bolts under the National Aerospace Standard NAS43, incl... Scribd 2 sites National Aerospace Standard: Spacer, Sleeve-Screw and Bolt TENSILE STRENGTH: 2024-TALUMINUM ALLOY 62,000 PSI MIN. HEAT TREATED ALLOY STEEL 125,000 - 145,000 PSI. FINISH: 2024-T ALUMINUM ALL... Scribd NAS43 | PDF | Steel | Screw - Scribd The document outlines the specifications for spacers, sleeves, screws, and bolts under the National Aerospace Standard NAS43, incl... Scribd Show all 9 sites Something went wrong with the response, but here are the most relevant results: Scribd
NAS43 spacers are designed to meet specific requirements, including:
The following tables provide detailed specifications for NAS43 spacers:
In the world of aviation and aerospace engineering, the spotlight often falls on the airframe, the engines, or the advanced avionics. But behind the scenes, the integrity of these massive structures relies on the smallest components. Among the most critical—yet frequently overlooked—are .