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 5910-00-008-1668
NSN 5920-00-985-5090
NSN 5985-01-303-3568
NSN 5835-01-525-3220
NSN 6610-01-656-0041
NSN 5950-01-435-1395
NSN 5930-00-978-6907
NSN 6610-01-436-6884
NSN 5925-00-797-9701
NSN 6110-01-033-3047
NSN 5910-01-534-4525
NSN 5975-01-375-6894