castellated nut


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castellated nut

[′kas·tə‚lād·əd ′nət]
(design engineering)
A type of hexagonal nut with a cylindrical portion above through which slots are cut so that a cotter pin or safety wire can hold it in place.
References in periodicals archive ?
The handler called for a combat FOD walkdown of the entire LA; someone found the castellated nut and bolt, along with a washer, next to an arresting-gear wire.
He removed the panel to investigate the anomaly and discovered a castellated nut and washer sitting loose in the panel.
The wheel is held on the axle by this bearing, which, in turn, is retained by a washer and castellated nut.
This AD would require replacement of the bolt and self-locking nut on the primary support pin of the main landing gear (MLG) support beam with a new bolt, castellated nut, washer and cotter pin.
He prepared for an engine installation, took out a bushing and castellated nut from a MAF bag, and began to install the aft-engine hoist swivel.
Tenders are invited for Castellated Nut For Cbc Coupler Faiveley Type Faiveley Part No- 906022300
In its place, however, was a three-eighths-inch, hex-head bolt and castellated nut.
Tenders are invited for Castellated Nut Impeller To Shaft For Water Pump Dlw Pt No-15380166.
Lastly, multiple foreign objects were found throughout the wing: line caps, castellated nuts, washers, and cotter pins.
The AD also requires the replacement of all existing bolts and attachment nuts at the forward and aft end attachment of each elevator tab push rod with new bolts and self-locking castellated nuts with cotter pins.
This new AD would add a requirement to replace all existing bolts and attachment nuts at the forward and aft end attachment of each elevator tab push rod with new bolts and self-locking castellated nuts with cotter pins.