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 7035-01-316-7860
NSN 6685-00-965-0192
NSN 5855-01-257-4698
NSN 5950-01-529-6542
NSN 4140-01-279-3618
NSN 5915-01-336-7669
NSN 5998-00-738-7731
NSN 6685-01-269-9408
NSN 5925-00-204-9759
NSN 5945-01-346-1457
NSN 6650-01-071-9011
NSN 6650-00-283-0978