Atlas/ TSOA/ TSO-C148
FAA · TSO Authorization
TSO-C148
AIRCRAFT MECHANICAL FASTENERS
What is a TSOA?
A Technical Standard Order Authorization is the FAA's permit for a manufacturer to produce equipment that meets a specific TSO standard (avionics, seats, parachutes, GPS receivers, etc.). The TSO sets the performance requirement; the TSOA is the holder's authorization to deliver compliant parts.
Authorized parts (3)
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Self-Locking Two Lug Radius Base Nut
K1905-4
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Hex Beam Lock Nut
HB57211-( )
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Self-Aligning/Locking Gang Channel Nut
G50091-( )P( )-( )