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F.5.4.1 Bolted connections in the Primary Structure must use a removable bolt and nut.
Bonded fasteners and blind nuts and bolts do not meet this requirement
F.5.4.2 Threaded fasteners used in Primary Structure are Critical Fasteners, see T.8.2
F.5.4.3 Bolted connections in the Primary Structure using tabs or brackets must have an edge
distance ratio “e/D” of 1.5 or greater.“D” equals the hole diameter. “e” equals the distance from the edge of the hole to the nearest free edge
Explanation
F.5.4.1 Bolted fasteners used in the Primary Structure must use removable nuts and bolts.
F.5.4.2 Threaded fasteners used in the Primary Structure must be Critical Fasteners.
F.5.4.3 Bolted connections in the Primary Structure using tabs or brackets must have an edge distance ratio of 1.5 or greater.
(edge)/(hole diameter) >= 1.5
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