Bulletin #04 of 2019 4 of 2019 July 3, 2019 Products Affected All Kirby Morgan® helmets and BandMasks® Bulletin-4-2019.pdf
Bulletin #05 of 2019 5 of 2019 September 18, 2019 Products Affected All Kirby Morgan® helmets and BandMasks® Bulletin-5-2019-General-Notice-Only-Breathing-Systems-Approved-Kirby-Morgan-Helmets-Divex-JFD-Ultraflow-501-Ultra-Jewel-601.pdf
Bulletin #05 of 2020 5 of 2020 May 28, 2020 Products Affected All Kirby Morgan® helmets that use modular communications. Bulletin-5-2020.pdf
Bulletin #06 of 2020 6 of 2020 July 15, 2020 Products Affected 500-100 KM 37SS Helmet w/Posts and 500-101 KM 37SS Helmet w/MWPC Bulletin-6-2020.pdf
Bulletin #03 of 2021 3 of 2021 February 9, 2021 Products Affected KMB 18B BandMask®, KMB 28B BandMask® SL 17B, SL 17C, SL 27 and KM 37 helmets Bulletin #3 of 2021
Bulletin #05 of 2021 5 of 2021 July 22, 2021 Products Affected P/N 540-105 Split Ring Bulletin #5 of 2021
Bulletin #01 of 2022 1 of 2022 January 6, 2022 Products Affected Kirby Morgan® 37 helmets with the 455 Balanced Regulator Bulletin #1 of 2021