For navy nuclear propulsion plant products only. As differentiated by free from mercury contamination
A fitting used with a union nut and thread piece to form a union.
NSN 5895-00-452-7134
NSN 5835-01-015-4610
NSN 6135-00-377-9165
NSN 5905-01-540-1094
NSN 6135-00-505-0679
NSN 4140-01-541-1633
NSN 6685-00-181-2496
NSN 5975-00-489-6195
NSN 5960-01-447-7074
NSN 5930-01-534-4109
NSN 5920-01-432-3991
NSN 5925-00-019-9047