A-A-59170, COMMERCIAL ITEM DESCRIPTION: BLOCK AND TACKLE WITH LOAD-LOCKING DEVICE (27-MAR-1998) [SUPERSEDING MIL-B-2424D]

A-A-59170, COMMERCIAL ITEM DESCRIPTION: BLOCK AND TACKLE WITH LOAD-LOCKING DEVICE (27-MAR-1998) [SUPERSEDING MIL-B-2424D]., This commercial item description (CID) covers a double-sheaved, single-reeved, nylon rope block and tackle with a locking device commonly used to lift and move objects. The block and tackle is intended for used in rigging, construction, and other military operations to gain a mechanical advantage when hoisting, pulling, or moving heavy objects and to hold loads in place through use of a safety locking device.