Cable protection plug for 450i and 550

Products PTP
1

Hi , i wanna know the correct screwing cable protection that fit on the ethernet port of the 450i and 550 because we don't have one on hand and i have to connect the aux port. The size and the type thank you

metal protection cap
ptp450iplug.jpg498×541 15.1 KB
metal protection cap

2

If memory serves me correctly, this should be the correct size

3

N000065L033A is the part number for the glands. Be advised they come in packs of 10. This is specific to the 450.