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 2925-01-261-0701
NSN 6145-00-225-8709
NSN 5985-01-185-7706
NSN 4140-00-761-7761
NSN 6240-01-571-7706
NSN 6620-01-422-3522
NSN 5895-01-269-5025
NSN 6645-01-452-3354
NSN 6220-01-550-2373
NSN 5835-01-498-9410
NSN 6685-00-790-6679
NSN 4140-00-497-3416