5/16"-18 Thin Nylon Insert Lock Nut (NTE) - Plated 5/16"-18 jam (thin) nylon insert lock nut (nte) plated JNLN51618 $0.063/ea
5/16"-18 Nylon Insert Lock Nut (NE) - Plated 5/16"-18 nylon insert lock nut (ne) coarse plated NLN51618 $0.054/ea
5/16-18 Nylon Insert Lock Nut 18-8 Stainless 5/16-18 nylon insert lock nut (ne) 18-8 stainless XNLN51618 $0.141/ea
5/8"-18 Thin Nylon Insert Lock Nut (NTE) - Plated 5/8"-18 jam (thin) nylon insert lock nut (nte) plated JNLN5818 $0.384/ea
3/8-16 Grade 5 Flange Nylon Insert Lock Nut - Plated 3/8-16 grade 5 flange nylon insert lock nut - plated FNLN3816 $0.154/ea