ASH674-3P

AR refers to parts or units that were removed from an aircraft and are now listed for sale. These could state a reason or occasionally be unrepairable after the product’s life.

NS code is for new parts that were sold from one or more sellers but still have no operation time or cycles. These are parts that might go through the channel of sales from airlines to distributors and are then given the tag of New Surplus.

OH condition refers to the possible overhauling of the product or equipment. This could involve completely or partially disassembling the product and restoring it to an optimum/maximum level of functionality.

SV indicated a serviceable part. This means that the part is repaired and passed the functional tests. The exact specifications of the condition might also be stated at times.