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 5835-01-426-6573
NSN 6105-01-361-1982
NSN 5910-01-442-3164
NSN 5905-00-558-1226
NSN 5950-01-555-8776
NSN 5945-01-164-5111
NSN 6610-00-330-6634
NSN 7035-01-014-3808
NSN 6685-00-795-3332
NSN 5835-00-863-6025
NSN 6110-01-392-8049
NSN 6220-00-539-8769