SJELVBLASANDE, MED INRE GENGA FORSEDD FESTANORDNING MED RINGLIKNANDE SJELVBLASANDE ELEMEMT SAMT FORFARANDE OCH APPARAT FOR FRAMSTELLNING AV DENSAMMA.

摘要

1515741 Self-locking nuts AMERACE CORP 25 April 1975 [2 May 1974] 17307/75 Heading F2H [Also in Division B2] A self-locking threaded nut 20 has a deposit of fused plastics 28 or 28a (e.g. nylon-11) extending 180 to 360 degrees around its internal thread. Lead-in thread portions at either side of the deposit are bare. The thread may be primed before coating. Reference has been directed by the Comptroller to Specification 1,218,644.