BALDWIN PARK, CALIFORNIA (November 13, 2025) – AMETEK Ameron, a leader in aviation safety equipment, has received FAA-PMA approval for the M447966 Harness Block. The M447966 Harness Block, a sub-component of the MXH21-31 Harness Assembly, provides a seal to prevent oxygen leakage. This inflatable harness is part of the Oxygen Mask Regulator Assembly, used by aircraft crews during emergencies to protect against depressurization, fumes, and harmful gases. "Ameron’s FAA-PMA approval for the M447966 Harness Block highlights our commitment to delivering reliable, safety-critical components and expanding access to cost-effective solutions for aircraft crew protection," said Adam Brammer, Business Manager for AMETEK Ameron.   FAA-PMA M447966 is eligible for installation on Cessna Citation 750, 680, 560XL, and Dassault Aviation Mystere-Falcon 900, Falcon 900EX, Falcon 2000EX. For this PMA or any of Ameron over 650 PMA parts, contact the Ameron parts department at https://store.ametekmro.com or call + 1 (626) 593-2069. About AMERON AMERON, a brand of AMETEK MRO, specializes in global aviation safety equipment that includes repair and overhaul solutions; over 650 FAA/EASA-approved PMA parts and components; and a growing OEM portfolio. Serving customers for 50 years, AMERON has pioneered numerous advances in aerospace fire suppression systems and is a leader in pressurized gas systems, fire extinguishers, and pressurized stored energy systems. AMERON is certified by the U.S. Department of Transportation, and its products meet or exceed MIL-I-45208A specifications. For more information, contact us: 4750 Littlejohn St. Baldwin Park, CA 91706 Email: ameronpartsales@ametek.com Tel: +1-626-593-2069 | Fax: +1-626-856-0210 Website: www.ameronglobal.com | AMERON Store: https://store.ametekmro.com AMETEK, Inc. is a leading global provider of industrial technology solutions serving a diverse set of attractive niche markets with annual sales over $7.0 billion.

BALDWIN PARK, CALIFORNIA (June 24, 2025) – AMETEK Ameron, who has been a leader in aviation safety equipment parts including repair and overhaul solutions for over 50 years, has received FAA-PMA approval on the Rupture Disc M446555-1. The M446555-1 Rupture Disc is a sub-component of the Fire Extinguisher Bottle PN 474109, which is part of the Fire Extinguishing System and is eligible for installation on the Bombardier BD-100-1A10. The main function of the Rupture Disc is to provide a method of hermetically sealing a pressurized fire extinguisher container and to serve as the primary discharge valve when ruptured by a pyrotechnic cartridge upon command from the cockpit. “AMETEK Ameron is proud to announce FAA-PMA approval for the M446555-1 Rupture Disc, further expanding our portfolio of cost-effective, high-quality solutions for the aviation industry,” said Adam Brammer, Business Unit Manager for AMETEK Ameron. “This milestone reflects Ameron’s unwavering commitment to providing our customers with trusted OEM alternative solutions that meet the highest standards of safety, reliability and performance.” For this PMA or any of Ameron’s over 650 PMA parts, please contact the Ameron parts department by going to https://store.ametekmro.com or calling (626) 593-2069. About AMERON AMERON, a brand of AMETEK MRO, specializes in global aviation safety equipment that includes repair and overhaul solutions; over 650 FAA/EASA-approved PMA parts and components; and a growing OEM portfolio. Serving customers for 50 years, AMERON has pioneered numerous advances in aerospace fire suppression systems and is a leader in pressurized gas systems, fire extinguishers, and pressurized stored energy systems. AMERON is certified by the U.S. Department of Transportation, and its products meet or exceed MIL-I-45208A specifications. For more information, contact us: 4750 Littlejohn St. Baldwin Park, CA 91706 Email: ameronpartsales@ametek.com Tel: +1-626-593-2069 | Fax: +1-626-856-0210 Website: www.ameronglobal.com | AMERON Store: store.ametekmro.com AMETEK, Inc. is a leading global provider of industrial technology solutions serving a diverse set of attractive niche markets with annual sales over $7.0 billion.