Thomas & Betts RA18-250F Sta-Kon Female Disconnect Brand: Thomas & Betts. Part Number: RA18-250F. Sta-Kon Female Disconnect, Series: 250, 16 to 14 AWG Conductor, 0.25 in W x 0.032 in THK Tab, Brazed Seam Barrel, Crimp Terminal, 600 VAC, 0.136 in Dia Maximum Insulation, 105 deg C, Brass, Red, Electroplated Tin, 0.91 in L x 0.29 in W, Insulated: Insulated. Additional Description: TB -RA18-250F INS NYL FEM-250 DISC 22-18 LEN .91 .91, TAB. Catalog Description: Nylon Insulated Female Disconnect, Length .91 Inches, Width .29 Inches, Maximum Insulation .136, Tab Size .250x.032, Wire Range #22-#18, Color Red, Copper, Tin Plated..