Knox Box FDC Lock 1 1/2" Male NH/NST Locking Cap Model:3190 (9.0 TPI x 1.990 OD) Should also be used when
Baker’s notes & crumb story
Description
Knox Box FDC Lock 1 1 2" Male NH NST Locking Cap Model:3190 (9.0 TPI x 1.990 OD) Should also be used when Should also be used when flushing hydrants or other water systems to protect the inner liner of the discharge hose from water pressure or debris damage 5 Stainless Steel Set screws