This is for 2- nos of a rotary switch has 2 spdt (shorting)type contacts on the same wafer.did not see a manf on this has 249 on this but looks like other centralab switches i have.these look good for hv or high rf voltages. has standard mounting body is 1 5/8 in dia. 7/16" long shaft and has a flat place on shaft 1/4" shaved down. $11 for 2.plus Shipping $3.50. Tnx Randy K4rhh
rwcradiocollector@gmail.com 
