As an Amazon Associate, we earn from qualifying purchases. 1-1/2"-6 UNC NU (HEAVY) NYLON INSERT LOCKNUTS COARSE LOW CARBON ZINC CR+3 - MROSupply.com MRO-SUPPLY . FSTPCK-305500 Attributes Brand name, Manufacturer name, ManufacturerMRO-SUPPLY Extra Product Name, snippet1-1/2"-6 UNC NU (HEAVY) NYLON INSERT LOCKNUTS COARSE LOW CARBON ZINC CR+3 - MROSupply.com extendedLead14 extendedQty, qtyInStock0 moq, multiple1 MPNFSTPCK-305500 Distributor offers SellerSKUMOQIn stockMultiplePrices MRO Supply641829811