The item comprises a cap, MS90376-20Y, with a polarizing keyway. The End Item Identification (EIID) is an optional accessory, and its presence may vary depending on the sub-assembly dash number. Sub-assemblies -104 have a cover plate 10104552-101 in place of the EIID. The sensor surveyor assembly consists of units 10078752-101 and 10078752-102. Additionally, there is a plate identification marked as 435100, along with a dust cap, MS90376-20Y.