A fitting used with a union nut and thread piece to form a union.
NSN 5930-01-183-9889
NSN 5990-01-261-2962
NSN 5935-00-478-1124
NSN 5920-01-031-1034
NSN 5960-00-458-9575
NSN 4140-00-523-0410
NSN 6220-01-271-2210
NSN 2925-00-365-3289
NSN 6145-00-382-6199
NSN 5975-00-893-1324
NSN 5985-01-441-9500
NSN 6105-00-212-8013