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The use and effectiveness of spring lock washers has been debated, with some publications [10] [who?] advising against their use on the grounds that, when tight, the washer is flat against the substrate and gives no more resistance to rotation than a normal washer at the same torque. A 1990 NASA manual states "In summary, a lockwasher of this ...
Lock washers, locknuts, jam nuts, and safety wire may be used in conjunction with thread-locking fluid to prevent loosening of bolted joints.
Use of lockwashers on soft materials like plastic is only recommended when the lock washer is placed between the screw head and a flat washer. A lock washer (of any type) bearing directly onto a soft surface is quickly made pointless by the soft material's creep or deformation under pressure.
The term "jam nut" can also refer to any nut that is used in the same function (even a standard nut used for the jamming purpose). Jam nuts, other types of locknuts, lock washers, and thread-locking fluid are ways to prevent vibration from loosening a bolted joint.
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Locking washers, size M4. A lock ring is a threaded washer used to prevent components from becoming loose during rotation. [1] They are found on an adjustable bottom bracket and a track hub of a bicycle. Lokring is another form of fastener used in the automotive and air condition industries: these fittings are often confused with lockrings.
The family of Tennessee death row inmate Gary Wayne Sutton held a press conference asking Gov. Bill Lee to examine the case for a potential pardon.
Average CEO Pay is calculated using the last year a director sat on the board of each company. Stock returns do not include dividends. All directors refers to people who sat on the board of at least one Fortune 100 company between 2008 and 2012. The Pay Pals project relies on financial research conducted by the Center for Economic Policy and ...