Serving our customers with quality and safety first.
No specification found for this NSN.
A usually round item of various cross sections designed for temporary installation into a hole in a case, turbine, aircraft gas turbine engine for the purpose of preventing air from escaping during engine operation. When removed, the hole is for inserting inspection probes, borescopes and the like. It may be grooved or tapered for installation and removal. It may include spacers, springs, rivets and the like.