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Bulletin #05 of 2020

Interior Title: 
Bulletin #5 of 2020
Title Type: 
New Product Bulletin
Bulletin Date: 
Bulletin #5 of 2020. May 28, 2020
Bulletin Type: 
New Product Bulletin
Bulletin Subject: 
P/N 525-420 Comm. Module for Post Kit & P/N 525-430 Comm. Module for MWP Kit
Products Affected: 
All Kirby Morgan® helmets that use modular communications.
Bulletin #11 of 2014

Kirby Morgan® is pleased to announce that a spares kit is available for the current communication modules for both POST and MWPC styles.

These kits include four components that will allow the user to convert the previous style of the modular communication assembly into the current module. The current module uses a removable strip assembly that encourages rapid inspection, removal and installation of the earphone and microphone elements when necessary. Another one of the four components included in the kit is the new communications body that has thicker module walls, adding to the strength of the module.

Kit contents include

Part #





Strip Assembly w/Screws


Strip Retainer Plate


Comm. Module for Posts (P/N 525-420 Only)


Comm. Module for MWP (P/N 525-430 Only)

See below for installation procedure videos.



Please contact your authorized KMDSI dealer or e-mail [email protected] for more information.