Galvanic isolator" installing it between the ac safety ground and dc bonding system; sacrificial zincs corrode away as they protect metal
No other part numbers with same form, fit, and function found.
An item which sacrificially corrodes when coupled to a more noble metal in a conducting medium.
Classification: Electrical parts of machinery or apparatus not specified or included elsewhere in chapter 85
NSN 5925-01-622-0438
NSN 6620-01-580-0883
NSN 5990-01-100-1840
NSN 5920-01-100-3018
NSN 5950-01-135-6818
NSN 5998-00-827-0527
NSN 5925-00-547-7739
NSN 5895-00-918-7783
NSN 6645-00-171-7101
NSN 6610-01-273-7204
NSN 5996-01-437-8824
NSN 5925-00-053-3536