Bulletin #02 of 2020 2 of 2020 January 31, 2020 Products Affected Kirby Morgan® Diamond, P/N 500-710 with posts and P/N 500-711 with MWPC. Bulletin-2-2020-UPDATED.pdf
Bulletin #04 of 2020 4 of 2020 April 17, 2020 Products Affected KM Diamond helmet and subassemblies Bulletin-4-2020.pdf
Bulletin #09 of 2020 9 of 2020 August 14, 2020 Products Affected 505-560 SuperFlow® 450 Regulator, 505-561 SuperFlow® 450 Balanced Main Tube Assembly, 525-763 450 Regulator for SL 27 Conversion Kit and 525-766 450 Regulator Conversion Kit bulletin-9-2020.pdf
Bulletin #10 of 2020 10 of 2020 August 28, 2020 Products Affected 500-710 KM Diamond w/Posts and 500-711 KM Diamond w/MWPC Bulletin-10-2020.pdf
Bulletin #02 of 2021 2 of 2021 February 8, 2021 Products Affected 515-007 Earphone Assembly, NS, 515-010 Microphone, NS, 515-031 Comm. Set w/ MWP, NS, 515-032 Communication Set, 515-043 WP Connector Only, NS, NS, 515-044 W.P. Comm. Assembly, NS, 515-051 Connector, Male, NS, 515-052 Connector, Female, Offset Bulletin #2 of 2021
Bulletin #06 of 2021 6 of 2021 December 13, 2021 Products Affected Kirby Morgan Diamond® Bulletin #6 of 2021
Bulletin #03 of 2022 3 of 2022 March 3, 2022 Products Affected Kirby Morgan BandMasks 18 & 28 with the 455 Balanced Regulator Bulletin #3 of 2022
Bulletin #07 of 2022 7 of 2022 June 9, 2022 Products Affected P/Ns 500-710/500-711 KM Diamond Helmet Bulletin #7 of 2022