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 6610-00-311-0974
NSN 5990-01-378-7349
NSN 5895-00-452-0333
NSN 6620-00-209-0767
NSN 5935-01-444-2040
NSN 5998-01-004-9745
NSN 6650-01-391-6461
NSN 6240-00-904-2122
NSN 6240-01-539-2806
NSN 5960-01-240-3266
NSN 5920-01-139-4384
NSN 5975-01-393-4817