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 6110-00-862-0018
NSN 5996-00-185-7704
NSN 6620-01-304-8055
NSN 6685-01-187-4095
NSN 5855-01-417-3250
NSN 6620-01-595-7459
NSN 5975-01-648-2592
NSN 5950-01-191-3732
NSN 6620-01-107-2965
NSN 7035-01-368-4801
NSN 6145-01-573-9810
NSN 6145-01-391-5148