A fitting used with a union nut and thread piece to form a union.
NSN 5960-00-307-9919
NSN 5855-01-100-3272
NSN 6650-01-273-1925
NSN 6320-01-118-6662
NSN 5910-01-176-8877
NSN 6650-01-207-0829
NSN 6685-01-462-1770
NSN 6320-00-937-5625
NSN 5996-01-317-2948
NSN 6620-01-106-3553
NSN 6320-00-937-5625
NSN 5895-00-413-0745