Thomas & Betts RA18-250A Sta-Kon Female Disconnect. Sta-Kon Female Disconnect, 90 deg Flag Open Top, Series: 250, 22 to 18 AWG Conductor, 0.25 in W x 0.032 in THK Tab, Brazed Seam Barrel, Crimp Terminal, 600 VAC, 0.17 in Dia Maximum Insulation, 105 deg C, Brass, Red, Electroplated Tin, 0.8 in L x 0.71 in W, Insulated: Insulated. Additional Description: TB -RA18-250A INS NYL FEM-250 DISC 22-18 LEN .8 TAB 22-18 AWG .250 TAB 50 PCS PER BOX. Catalog Description: Nylon Insulated Open Top 90 Degree Flag Female Disconnect Terminal, Length .80 Inch, Width .71 Inch, Maximum Insulation .170, Tab Size .250x.032, Wire Range #22-#18 AWG, Color Red, Brass, Tin Plated.