Nas42 Spacers - !!top!!
The physical design of a NAS42 spacer is typically cylindrical, featuring a through-hole for a bolt or screw to pass through. However, the simplicity of the shape belies the complexity of its material requirements. Given their primary application in aerospace, these spacers are frequently manufactured from high-strength materials such as corrosion-resistant steel (often A286 or 300 series stainless steel) or aluminum alloys (such as 2024 or 7075).
NAS42 spacers are specialized sleeve spacers primarily used in aerospace and defense assemblies to maintain precise clearance between components. Governed by the and maintained by the Aerospace Industries Association (AIA), these unthreaded round spacers are designed specifically for use with solid rivets , whereas the similar NAS43 series is used with screws and bolts. Key Specifications and Design nas42 spacers
Typically 2024-T3 aluminum (AMS-QQ-A-225/6), favored for its high strength-to-weight ratio. The physical design of a NAS42 spacer is
The primary function of a NAS42 spacer is to manage load distribution and geometry. In many assemblies, particularly those involving sheet metal or composite panels, fastening two surfaces directly together can cause deformation. If a bolt is torqued down on thin sheet metal without a spacer, the metal may dimple or crush. The NAS42 spacer acts as a rigid column, transferring the clamping force of the bolt through the sleeve rather than the workpiece, thereby preserving the flatness of the attached materials. NAS42 spacers are specialized sleeve spacers primarily used
The is a high-precision, unthreaded sleeve spacer specifically engineered for aerospace and military applications. Governed by the National Aerospace Standards (NAS) developed by the Aerospace Industries Association (AIA), these components are designed for high-stress environments where reliability and traceability are critical. Key Specifications 5 (5/16") Aluminum Round NAS42 Spacer | Lyn-Tron