The present invention is advantageous over the prior art in the following respects: accurate alignment is maintained between the subassemblies, even when the assembly is subjected to shock; {HEAD ~ the stress} between {TAIL ~ the alignment features} is never excessive since the alignment features are employed only momentarily until the flexures are mechanically secured to the second subassembly; and the connection between the subassemblies is rigid and does not require spring force or gravity to keep the subassemblies in alignment 
The present invention is advantageous over the prior art in the following respects : accurate alignment is maintained between the subassemblies , even when the assembly is subjected to shock ; { HEAD ~ the stress } between { TAIL ~ the alignment features } is never excessive since the alignment features are employed only momentarily until the flexures are mechanically secured to the second subassembly ; and the connection between the subassemblies is rigid and does not require spring force or gravity to keep the subassemblies in alignment
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