Orifice holder-9.2k, nat, svce
T,gr) srt use regardless of serial number. df/ct use starting with serial #17000000 and between serial #16050607 to #16050686. prior to serial #17000000 except between serial #16050607 to #16050686 see 817166
808000, WLF819297, 819297, WLF808000