Maretron Bulkhead Feed-Thru Micro New Condition. 5in diameter .875in max bulkhead thickness. Specifications for Maretron Bulkhead Feed-Thru Micro: Manufacturer: Maretron Color: Black Features of Maretron Bulkhead Feed-Thru Micro: Features rugged keyways for positive alignment of connections Waterproof rated to IP67 4.0 Amps 250 V Included Accessories: BHF-CM-CF Documentation Package Contents: Maretron Bulkhead Feed-Thru Micro Maretron BHF-CM-CF: Bulkhead Feed-Thru Micro New Condition