Sealcon NM-40-GY high quality gray nylon locking nuts are liquid tight to 150 psi. M40 x 1.5 Metric Thread. Sold Individually. Also known as Hummel # 1.262.4000.50. Sealcon M40 x 1.5 Metric Nylon / Plastic Locking Nuts provide a NEMA 4x & 6 (IP 68 & 69K), 150 PSIG (10 bar) Liquid Tight Rating.
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