A fitting used with a union nut and a tailpiece to form a union.
NSN 2925-01-618-2711
NSN 6620-00-797-2591
NSN 2925-01-440-9912
NSN 5855-00-237-4088
NSN 5930-00-808-6544
NSN 5998-01-534-6768
NSN 5905-01-353-5330
NSN 2925-00-767-4245
NSN 5905-01-260-8641
NSN 5965-01-592-5391
NSN 6150-00-946-9989
NSN 6240-00-646-6931