| 摘要 |
A flanged nut is received by a cup washer which is slightly larger than the flanged nut to allow rotation of the nut relative to the washer. The cup washer is deformed (staked) to capture the nut about its flanged periphery. The nut is designed to rotate relative to the washer during assembly to assure two known, constant bearing surfaces regardless of the nature of the panel surface beneath the washer. The flanged nut has a large nut-to-washer bearing area capable of optimizing stress distribution at high loads.
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