Thomas & Betts KNF18-250FD-M Sta-Kon Female Disconnect Brand: Thomas & Betts. Part Number: KNF18-250FD-M. Spec-Kon Female Disconnect, 22 to 16 AWG Conductor, 0.25 in W x 0.032 in THK Tab, Funnel Entry/Internal Serration/Long Barrel, Crimp Terminal, 600 V, Specifications: 0.157 in Dia Barrel, Nylon Insulation, 105 deg C, Brass/Copper, Red, Tin Plated, 0.846 in L x 0.26 in W x 0.016 in THK, Fully Insulated. Additional Description: TB -KNF18-250FD-M FULLY INS NYLON 250 FEM DISCONN DISC, 1000 PC PKG. Catalog Description: Fully Insulated Nylon Female - 250 Series Disconnects for Wire Range 22-16 , Tab Size .250x.032, Red..