This is the upper stem guide. For the lower stem guide see nsn 4810-01-503-8701.
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 6620-01-500-9847
NSN 5975-01-447-1659
NSN 5935-00-440-9051
NSN 5935-01-123-9476
NSN 5905-01-497-4591
NSN 6150-01-632-5156
NSN 6220-01-392-1429
NSN 5960-00-579-0298
NSN 5950-00-528-4423
NSN 6645-00-996-5878
NSN 4140-00-067-7460
NSN 6150-00-496-9064