A fitting used with a union nut and thread piece to form a union.
NSN 5855-00-832-9341
NSN 6610-01-024-5360
NSN 7035-01-408-6802
NSN 5985-00-821-5636
NSN 7035-01-553-0459
NSN 5925-00-222-8263
NSN 6645-00-547-4388
NSN 2925-00-964-7128
NSN 5920-01-218-5742
NSN 6240-01-562-3223
NSN 5950-01-218-8951
NSN 6240-01-545-3608