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 5950-00-155-4753
NSN 6620-01-326-7222
NSN 4140-01-342-3081
NSN 5855-00-436-3852
NSN 6130-00-231-0660
NSN 5920-01-542-8877
NSN 5999-01-330-1143
NSN 6105-01-452-4324
NSN 5920-01-432-0499
NSN 6145-01-372-5709
NSN 6220-00-057-2236
NSN 4140-01-053-1123