Assertion: valve's bonnet | /r/HasAspect | an end portion
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Source sentences:
text: A gate valve structure as claimed in claim 9, in which said upper valve stem rotatably supported in the bore of said bonnet has an end portion extending exteriorly of the same, said end portion having exterior threads of a predetermined diameter along a section of its length where it immediately extends from the end of the bore opening to the exterior of the bonnet, a second set of exterior threads of reduced diameter immediately adjacent thereto, an adjusting collar threaded onto said first section of threads to position the upper stem in said bore, a locknut threaded onto said second section of threads for locking said adjusting collar, and an operating nut carried by the end portion of the upper valve stem outwardly of said adjusting collar and locknut.