A fitting used with a union nut and a tailpiece to form a union.
NSN 6135-01-534-3007
NSN 5950-01-501-6175
NSN 6685-01-461-8873
NSN 6220-01-125-8331
NSN 6135-00-010-5275
NSN 6135-01-442-7275
NSN 6320-00-731-6134
NSN 5920-01-443-3771
NSN 6320-01-230-8444
NSN 7035-01-196-3445
NSN 5855-00-149-0766
NSN 6240-01-589-5821