That is a pretty vague description - let me look, but take a look at this:
https://www.navsea.navy.mil/Portals/103/Documents/TeamShips/PEOShips/BoatsandCraft/NSTM583r6Vol1-Boats_S9086-TX-STM-010.pdf
https://www.navsea.navy.mil/Portals/103/Documents/TeamShips/PEOShips/BoatsandCraft/NSTM583r6Vol1-Boats_S9086-TX-STM-010.pdf
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