SAE AGS 3910-2:1974-07-01
AGS3910 Dimensions for Close Tolerance Tapped Bosses with Unified Threads for Pipe Coupling Union Adaptors Using Pipe Fitting O Ring Seals, e.g. AS43003. (Recommended for Use with Pressures Above 2500 lbf/in2. For Pressures up to 2500 lbf/in2 AGS 3911 Is Recommended)
