This standard specifies the requirements, inspection methods and delivery preparations for submarine periscope outer mirror tubes (hereinafter referred to as mirror tubes). This standard applies to the design, manufacture and acceptance of submarine periscope outer mirror tubes.
CB 1210-2011 history
2011CB 1210-2011 Design and manufacture technical requirements for Out tube of Submarine Periscope
1990CB 1210-1990 General specification for submarine periscope outer mirror tube