A fitting used with a union nut and a tailpiece to form a union.
NSN 6240-01-533-7305
NSN 6650-01-623-8016
NSN 5910-01-234-9619
NSN 6220-01-411-0375
NSN 5855-01-422-8782
NSN 5990-00-888-3736
NSN 6150-01-275-6328
NSN 5925-01-529-9825
NSN 5945-00-067-8616
NSN 5835-01-384-3206
NSN 6645-01-281-7254
NSN 6610-00-771-6074