An item of various shapes and cross-sections, that may be flanged and that is designed to fit over a valve seat, allowing proper positioning of the seat with a flow control device.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 5835-01-067-9271
NSN 4140-01-069-4576
NSN 5910-01-534-8289
NSN 6620-01-259-2411
NSN 6135-01-031-8078
NSN 6150-00-496-5480
NSN 5998-01-467-1718
NSN 5925-01-611-1151
NSN 5985-00-895-6501
NSN 4140-00-209-2231
NSN 5835-01-323-2581
NSN 5950-01-247-8978