A rigid item varied in size and shape. It is normally located on the bottom of a valve. It must have drilled and/or tapped holes for mounting purposes.
NSN 6130-01-468-3236
NSN 6105-00-553-1941
NSN 5910-01-655-9937
NSN 5905-00-575-0348
NSN 7035-00-286-6221
NSN 5999-00-203-5573
NSN 5999-01-242-8140
NSN 6650-01-297-8168
NSN 6145-00-487-9575
NSN 5915-00-858-4823
NSN 5996-01-104-4161
NSN 5920-01-037-5869