A metallic item designed to be used in conjunction with a plate, reed valve and/or valve, reed.
NSN 4140-01-297-4182
NSN 5960-00-797-7372
NSN 5950-01-473-9121
NSN 6130-01-370-7257
NSN 5998-01-429-0225
NSN 5835-01-350-0566
NSN 5945-00-614-3979
NSN 4140-01-467-1986
NSN 6240-01-501-6320
NSN 7035-01-204-7481
NSN 5975-00-636-4910
NSN 6220-01-491-2328