A fitting used with a union nut and thread piece to form a union.
NSN 5935-01-069-0943
NSN 5990-01-032-3832
NSN 7035-01-395-7606
NSN 6150-01-378-9083
NSN 5920-00-373-3636
NSN 6105-01-243-0371
NSN 4140-00-193-0067
NSN 2925-01-477-3787
NSN 6650-00-361-8222
NSN 5925-01-435-9492
NSN 5998-01-555-8650
NSN 5835-00-003-0295