SAE AS4389
SAE AS4389 1992-OCT-01 Nut - Self-Lockng Clnch Serrated Shank Hole Preparaton nstallaton and Removal Procedures
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This SAE Aerospace Standard (AS) provides minimum design, hole preparation, installation and removal requirements for AS3272, AS3273, MA3274, and MA3275 serrated shank self-locking clinch nuts. This standard is applicable when specified on engineering drawings or in procurement documents.