A fitting used with a union nut and thread piece to form a union.
NSN 5930-01-260-9584
NSN 5935-01-062-0705
NSN 5905-01-439-0161
NSN 5930-01-520-5848
NSN 5920-01-394-5003
NSN 4140-01-167-7574
NSN 6145-01-451-5609
NSN 6145-01-347-8466
NSN 6620-01-581-8283
NSN 6650-01-461-1559
NSN 5965-01-474-5654
NSN 5925-01-076-6378