Latrobe Foundry's experience plus quality control from material specification to final production are your assurance of a product that offers extra-long life and exceptional performance. Extra care in final inspection and machining provide you with a better product. Latrobe Foundry fittings are furnished in ANSI B1 20.1 NPT taper threads, except for locknuts, which are NPS threaded. They are available in hundreds of stock sizes and styles from your local Tri Star Industrial sales associates, backed by factory inventories. For non-standard fittings and fittings to meet unusual situations, ask your sales representative for more information.