Description
The MS21322-9 is a genuine Textron Aviation clamp used to fasten, secure, or retain components during assembly of the airframe. It carries an export classification of ECCN 9A991.
Strength grade and finish define aircraft hardware, so matching the specified part keeps the joint as designed. Because aircraft parts are governed by strict airworthiness and traceability rules, fitting the OEM part rather than an unapproved equivalent keeps the installation eligible and the aircraft's records clean.
Check effectivity and supersession status for your serial number so you order the currently applicable part. The factory part is built to the manufacturer's material and dimensional specification, so it installs as designed without the surprises a generic equivalent can bring.
Before installation, match this part number to your aircraft's approved configuration and current effectivity. On a certificated airframe, part provenance matters as much as the part itself; genuine factory sourcing settles that question up front.
Because this is a component for a type-certificated aircraft, using the manufacturer's part keeps the installation within approved configuration and simplifies compliance.
Textron Aviation traces its roots to Cessna, founded in Wichita, Kansas in 1927, and Beechcraft, founded there in 1932 — two of general aviation's most storied names, united under one company since 2014.
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