Firewall Class K Ratchet Lock Plug, Class K stainless steel, threaded coupling RATCHET LOCK PLUG Threaded Coupling Class K Stainless Steel Pyle FPK-12XX* Series MS27615KXXSXX Military Class K * To complete order number, see how to order, page 21. Shell Size Cable Support Thread M Coupling Thread R NA Coupling Nut Dia S Shell Dia. T 08 NA NA NA 10 .563-36 .687-24 .931 .526 12 .733-36 .875-20 1.111 .696 14 .803-36 .937-20 1.175 .765 16 .930-36 1.062-18 1.302 .892 18 1.036-36 1.187-18 1.408 .998 20 NA NA NA NA 22 1.286-36 1.437-18 1.658 1.248 24 1.411-36 1.562-18 1.783 1.373 28 1.661-36 1.812-16 2.038 1.623 NA designates not available. All dimensions for reference only. 25