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 4140-01-382-8506
NSN 6650-01-334-2649
NSN 5960-01-449-1310
NSN 5945-00-840-1571
NSN 2925-01-062-2660
NSN 6685-01-020-7235
NSN 6650-00-862-7143
NSN 4140-00-500-2718
NSN 6220-01-129-5415
NSN 6645-01-227-2036
NSN 5895-00-460-4367
NSN 6220-01-098-8171