Used on various Market Forge models such as 2600PHE, 2692PHE, 30-STEL, 30-STEL-LX, 30-STEM, 30-STEM-LX, 40-STEL, 40-STEL-LX, 40-STEM, 40-STEM-LX, 4200, 4292, MSA-SB-2600, 4200, 4292, ST-3E, ST3E42, ST-3E42, ST-6E, ST-6E42 and where part is applicable.