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 6110-01-293-9091
NSN 6110-00-654-3539
NSN 5855-01-266-1645
NSN 6645-01-500-0827
NSN 6135-00-900-2139
NSN 6610-01-157-0426
NSN 6685-01-502-4273
NSN 5945-00-530-8417
NSN 5895-01-328-9353
NSN 5910-01-458-3553
NSN 6110-01-570-0550
NSN 5945-01-575-9089