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 5950-01-161-3351
NSN 6145-00-224-5245
NSN 5935-00-394-3726
NSN 5996-01-185-2995
NSN 6110-01-406-3623
NSN 6150-01-399-6207
NSN 6145-01-468-2586
NSN 5996-01-253-2397
NSN 5945-01-220-6037
NSN 6645-01-476-8013
NSN 5965-01-204-8505
NSN 4140-00-541-9077