Tri-Fitting Mfg Company

Tri-Fitting Mfg. Company is a manufacturer of precision hydraulic fittings in South El Monte, California. It has made AN, AS and MS standard fittings since 1977. The company serves aerospace, military and commercial customers.

The company's flared fittings are built to AN, AS and MS standards for aerospace fluid systems. The site says its flareless fittings are in testing and approval stages. It names the MS21921 4J and MS21921 6J fittings as part of that work.

The site lists AS9100D, ISO 9001:2015 and NADCAP certifications. The company's CAGE code is 8N202. The site says every product is made in the United States, which allows strict quality control and reliable production.

The company's news page lists recent work on AS5175, AS5176 and AS5178 aerospace fittings. It also covers AS5176 stainless steel sleeves, AN818 aluminum and stainless steel fittings and AS4370 fittings. The site describes these as high demand items for aircraft fluid, hydraulic and fuel systems.

The site offers an online check of available inventory and says it answers quote requests within 24 hours. It lists supplier terms, supplier quality requirements and an FAQ. The company describes its quality control as process driven.

The contact page lists the phone number 626-442-2000 and office hours of 6 AM to 4:30 PM Pacific time, Monday to Friday. The address is 10414 Rush Street, South El Monte, California 91733. The site has a sales inquiry form and social links to Facebook, LinkedIn and Instagram.