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 5999-01-279-1070
NSN 6610-01-142-8958
NSN 6320-01-064-0372
NSN 6150-01-321-1734
NSN 5925-01-445-6112
NSN 5920-01-373-3886
NSN 6145-00-726-0275
NSN 5945-00-548-4727
NSN 6145-01-032-4557
NSN 5930-00-839-5218
NSN 5996-01-143-5779
NSN 5930-00-838-1716