McMaster Carr This RFQ was sourced on www.MFG.com in USA for Jam Nuts Buyer is in search of a thin (Jam) Nylock Nut, 3-8 Inch UNC. Manufacture is McMaster Carr. Buyer Information Industry Transportation City/Region Springfield, Virginia Country USA RFQ RFQ Number 440715 Material Technical Specifications Category Jam Nuts Dimensions The following suppliers (machine shops, fabricators, casters, molders, 3D printing, CNC machining, etc.) provide manufacturing services for the machine tool industry, automotive industry… For more information visit www.MFG.com. MFG.com analyzes all engineered parts and RFQs for improved manufacturability and to ensure quality and a quick quoting experience. Jam Nuts: Jam nuts are tightened against work surfaces or other nuts to prevent the nut from loosening.