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 4140-01-380-0879
NSN 6130-01-215-2774
NSN 5910-01-327-4640
NSN 5930-01-044-1995
NSN 5895-00-158-4343
NSN 5998-00-851-4139
NSN 5985-00-432-0853
NSN 6610-01-654-9714
NSN 5960-00-963-1285
NSN 5920-01-467-4458
NSN 5965-01-117-1651
NSN 6105-00-479-8991