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 6320-01-116-3980
NSN 6610-00-269-4506
NSN 5975-01-032-3764
NSN 5905-01-004-1851
NSN 6685-01-438-2068
NSN 5915-01-528-2523
NSN 2925-01-434-6945
NSN 6320-00-110-8005
NSN 6105-00-915-0269
NSN 5990-00-988-7548
NSN 6145-01-510-3352
NSN 5975-01-318-5946