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 5855-01-312-5160
NSN 2925-01-151-6969
NSN 6135-01-219-8612
NSN 5999-00-232-1656
NSN 6685-00-058-9526
NSN 5855-01-381-6052
NSN 6240-00-460-0569
NSN 5925-00-828-0708
NSN 4140-01-100-1223
NSN 5925-00-850-1947
NSN 5985-01-310-8473
NSN 5999-01-498-0261