| Comparison : |
Item # Custom, Custom N.T.U. Series Nylon Insert Lock Nut Item # pn-5510, N.T.U. Series Nylon Insert Lock Nut - Heat Treated - 1-14 - - Phos. & Oil Item # pn-5511, N.T.U. Series Nylon Insert Lock Nut - Heat Treated - 1 1/4-12 - - Phos. & Oil Item # pn-5512, N.T.U. Series Nylon Insert Lock Nut - Heat Treated - 1 1/2-12 - - Phos. & Oil Item # pn-5513, N.T.U. Series Nylon Insert Lock Nut - Heat Treated - 1 3/4-12 - - Phos. & Oil
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