MIL-T-47303 Test Set, Electrical, Mk IvThis specification establishes the requirements for the fabrication, inspection and testing of the MK IV electrical test set. The test limits in this specification do not necessarily define maximum capabilities. The MK IV electrical test set is a self-contained, multipurpose test set powered by a rechargeable battery. It is used with the 2.75 inch FAAR system \(less rockets\) and any other system utilizing the MK I squib or a similar device. This test set shall not be used on any ordnance.