An item consisting of three or four parts, two of which form a grooved body and have tapered threads that are held firmly in place by rounded hexagonal nuts.
NSN 5999-00-182-7412
NSN 6220-01-561-1871
NSN 5925-01-228-5413
NSN 5925-00-450-1255
NSN 5950-01-068-6415
NSN 5990-00-997-1382
NSN 5945-01-258-9688
NSN 6240-01-307-0269
NSN 2925-00-485-0543
NSN 5975-00-777-6781
NSN 5965-01-526-6131
NSN 6685-01-062-2151