A replaceable cylindrical item designed to provide wear surface and maintain alignment of a reciprocating valve stem and the like, it may have a flange(s) and/or grooves.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 6620-00-712-4431
NSN 5925-01-634-0664
NSN 6105-01-600-0366
NSN 6220-00-554-5937
NSN 6240-01-643-6541
NSN 2925-00-402-5582
NSN 6145-01-611-7640
NSN 6105-01-634-0322
NSN 5998-00-178-1040
NSN 6320-01-278-2359
NSN 4140-01-067-3865
NSN 5945-00-780-0698