NSN 1377-01-135-6852 XW78 Mechanical Actuated Initiator SCD 837AS117 Quantity: 50 EA The JAU-32/A Mechanical Initiator is mechanically fired by the internal canopy fracturing handle and initiates the ... NSN 1377-01-135-6852 XW78 Mechanical Actuated Initiator SCD 837AS117 Quantity: 50 EA The JAU-32/A Mechanical Initiator is mechanically fired by the internal canopy fracturing handle and initiates the Shielded Mild Detonating Cord (SMDC) for canopy fracturing.