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 5950-01-391-2088
NSN 6145-00-730-3933
NSN 6130-01-081-1714
NSN 6220-00-351-3790
NSN 6320-01-302-5157
NSN 7035-00-849-5526
NSN 5910-01-569-2550
NSN 4140-01-411-5908
NSN 5905-00-933-3225
NSN 5999-01-580-5002
NSN 5855-01-542-9059
NSN 6610-00-216-6538