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 5950-00-111-2000
NSN 5920-00-553-7118
NSN 5920-01-260-7606
NSN 5999-01-503-0252
NSN 5990-00-226-7894
NSN 5975-01-476-5303
NSN 5996-00-236-1980
NSN 5855-01-167-2162
NSN 5920-01-591-9424
NSN 5905-00-182-8424
NSN 5905-01-541-6336
NSN 5920-01-123-9854