Abstract: A fastener assembly includes a first lock member including a plurality of radially extending ratchet teeth and a second lock member including a base portion and at least one tab extending axially from the base portion. The at least one tab has a proximal end joined to the base portion and a free end opposite the proximal end. The second lock member further includes a plurality of radially extending teeth on an inner side of the free end of the at least one tab. The second lock member is positionable between a locked configuration in which the plurality of radially extending teeth are configured to engage the plurality of radially extending ratchet teeth and an unlocked configuration in which the plurality of radially extending teeth are spaced from the plurality of radially extending ratchet teeth. The base portion and the at least one tab are a single piece.

Abstract: A fastener assembly includes a threaded member including a threaded body portion and a head portion. The fastener assembly also includes a first lock member including a plurality of axially-extending ratchet teeth and defining an aperture extending therethrough. The aperture is sized to receive the threaded body portion. The fastener assembly further includes a second lock member including a base portion configured to couple to the threaded member for rotation therewith and at least one spring finger extending axially from the base portion. The at least one spring finger has a proximal end joined to the base portion and a free end opposite the proximal end. The second lock member has a lock position in which the free end of the at least one spring finger is configured to engage the plurality of axially-extending ratchet teeth and an unlock position in which the free end of the at least one spring finger is spaced from the plurality of axially-extending ratchet teeth.

Abstract: A fastener assembly is provided and includes a fastener member and a washer member. The fastener member includes an end, an opposing head, and an elongated threaded body portion extending therebetween. The threaded body defines a center axis. The head includes a pawl arm having a pawl tooth and a flange. The washer member includes an axial aperture formed therethrough and a lock tab extending therefrom. The lock tab is configured to be received within a recess defined in a substrate member to rotationally fix the washer member relative to the substrate member. The washer member further includes a plurality of lock teeth. The pawl tooth is configured to intermesh with the lock teeth to allow rotation of the fastener member relative to the washer member in a first direction about the center axis, and substantially prevent rotation in an opposite second direction about the center axis.

Abstract: A fastener assembly includes a first lock member including a plurality of radially extending ratchet teeth and a second lock member including a base portion and at least one tab extending axially from the base portion. The at least one tab has a proximal end joined to the base portion and a free end opposite the proximal end. The second lock member further includes a plurality of radially extending teeth on an inner side of the free end of the at least one tab. The second lock member is positionable between a locked configuration in which the plurality of radially extending teeth are configured to engage the plurality of radially extending ratchet teeth and an unlocked configuration in which the plurality of radially extending teeth are spaced from the plurality of radially extending ratchet teeth. The base portion and the at least one tab are a single piece.

Abstract: A fastener assembly includes a lock nut configured to threadably engage a threaded body portion, and a first lock member including a plurality of radially extending ratchet teeth. The fastener assembly also includes a second lock member including a base portion and at least one tab extending axially from the base portion. The base portion defines an aperture sized to receive the threaded body portion. The at least one tab has a proximal end joined to the base portion and a free end opposite the proximal end. The second lock member is positionable between a locked configuration in which the free end of the at least one tab is configured to engage the plurality of radially extending ratchet teeth and an unlocked configuration in which the free end of the at least one tab is spaced from the plurality of radially extending ratchet teeth. The base portion and the at least one tab are a single piece.

Abstract: A fastener assembly includes a threaded member including a threaded body portion and a head portion. The fastener assembly also includes a first lock member including a plurality of axially-extending ratchet teeth and defining an aperture extending therethrough. The aperture is sized to receive the threaded body portion. The fastener assembly further includes a second lock member including a base portion configured to couple to the threaded member for rotation therewith and at least one spring finger extending axially from the base portion. The at least one spring finger has a proximal end joined to the base portion and a free end opposite the proximal end. The second lock member has a lock position in which the free end of the at least one spring finger is configured to engage the plurality of axially-extending ratchet teeth and an unlock position in which the free end of the at least one spring finger is spaced from the plurality of axially-extending ratchet teeth.

Abstract: A nut plate assembly includes a plate member, a shell member, a nut, and a bias member. The plate member includes a retention tab. The shell member includes a first end coupled to the plate member by the retention tab and a second end opposite the first end. The nut is disposed within the shell member and is moveable between a first position proximate the shell member first end and a second position proximate the shell member second end. In addition, the bias member is disposed within the shell member and is configured to bias the nut toward one of the first position and the second position.

Abstract: A nut plate assembly includes a plate member comprising an aperture defined therethrough. The nut plate assembly also includes a shell member having a first end joined to the plate member and a second end opposite the first end. The nut plate assembly further includes a bias member disposed within the shell member and a nut comprising a shoulder portion configured to receive a portion of the bias member. The nut is disposed within the shell member and moveable between a first position proximate the shell member first end and a second position proximate the shell member second end. The bias member is configured to bias the nut toward one of the first position and the second position. The nut plate assembly also includes a retention member configured to retain the nut within the shell member.

Abstract: A fastener assembly is provided and includes a fastener member and a washer member. The fastener member includes an end, an opposing head, and an elongated threaded body portion extending therebetween. The threaded body defines a center axis. The head includes a pawl arm having a pawl tooth and a flange. The washer member includes an axial aperture formed therethrough and a lock tab extending therefrom. The lock tab is configured to be received within a recess defined in a substrate member to rotationally fix the washer member relative to the substrate member. The washer member further includes a plurality of lock teeth. The pawl tooth is configured to intermesh with the lock teeth to allow rotation of the fastener member relative to the washer member in a first direction about the center axis, and substantially prevent rotation in an opposite second direction about the center axis.

Abstract: A fastener assembly is provided and includes a fastener member and a washer member. The fastener member includes an end, an opposing head, and an elongated threaded body portion extending therebetween. The threaded body defines a center axis. The head includes a pawl arm having a pawl tooth and a flange. The washer member includes an axial aperture formed therethrough and a lock tab extending therefrom. The lock tab is configured to be received within a recess defined in a substrate member to rotationally fix the washer member relative to the substrate member. The washer member further includes a plurality of lock teeth. The pawl tooth is configured to intermesh with the lock teeth to allow rotation of the fastener member relative to the washer member in a first direction about the center axis, and substantially prevent rotation in an opposite second direction about the center axis.

Abstract: A fastener assembly includes a lock nut configured to threadably engage a threaded body portion, and a first lock member including a plurality of radially extending ratchet teeth. The fastener assembly also includes a second lock member including a base portion and at least one tab extending axially from the base portion. The base portion defines an aperture sized to receive the threaded body portion. The at least one tab has a proximal end joined to the base portion and a free end opposite the proximal end. The second lock member is positionable between a locked configuration in which the free end of the at least one tab is configured to engage the plurality of radially extending ratchet teeth and an unlocked configuration in which the free end of the at least one tab is spaced from the plurality of radially extending ratchet teeth. The base portion and the at least one tab are a single piece.

Abstract: A fastener assembly includes a threaded member, a lock nut, and a lock washer. The threaded member has a pair of opposing flat sections formed in the threaded portion of the threaded member. The lock nut is configured to threadably engage the threaded member and includes a flange having a plurality of axially extending teeth. The lock washer includes a flat central portion with an aperture. The aperture has a pair of opposing flat inner surfaces configured to engage the opposing flat sections of the threaded member to rotationally fix the lock washer. The lock washer also includes at least one outer portion extending upward from the flat central portion at a predetermined angle. The outer portion includes a plurality of locking apertures configured to receive the plurality of axially extending teeth of the lock nut.

Abstract: A nut plate assembly includes a plate member, a shell member, a nut, and a bias member. The plate member includes a retention tab. The shell member includes a first end coupled to the plate member by the retention tab and a second end opposite the first end. The nut is disposed within the shell member and is moveable between a first position proximate the shell member first end and a second position proximate the shell member second end. In addition, the bias member is disposed within the shell member and is configured to bias the nut toward one of the first position and the second position.

Abstract: A nut plate assembly includes a plate member comprising an aperture defined therethrough. The nut plate assembly also includes a shell member having a first end joined to the plate member and a second end opposite the first end. The nut plate assembly further includes a bias member disposed within the shell member and a nut comprising a shoulder portion configured to receive a portion of the bias member. The nut is disposed within the shell member and moveable between a first position proximate the shell member first end and a second position proximate the shell member second end. The bias member is configured to bias the nut toward one of the first position and the second position. The nut plate assembly also includes a retention member configured to retain the nut within the shell member.

Abstract: A fastener assembly is provided and includes a fastener member and a washer member. The fastener member includes an end, an opposing head, and an elongated threaded body portion extending therebetween. The threaded body defines a center axis. The head includes a pawl arm having a pawl tooth and a flange. The washer member includes an axial aperture formed therethrough and a lock tab extending therefrom. The lock tab is configured to be received within a recess defined in a substrate member to rotationally fix the washer member relative to the substrate member. The washer member further includes a plurality of lock teeth. The pawl tooth is configured to intermesh with the lock teeth to allow rotation of the fastener member relative to the washer member in a first direction about the center axis, and substantially prevent rotation in an opposite second direction about the center axis.

Abstract: A fastener assembly includes a threaded member, a lock nut, and a lock washer. The threaded member has a pair of opposing flat sections formed in the threaded portion of the threaded member. The lock nut is configured to threadably engage the threaded member and includes a flange having a plurality of axially extending teeth. The lock washer includes a flat central portion with an aperture. The aperture has a pair of opposing flat inner surfaces configured to engage the opposing flat sections of the threaded member to rotationally fix the lock washer. The lock washer also includes at least one outer portion extending upward from the flat central portion at a predetermined angle. The outer portion includes a plurality of locking apertures configured to receive the plurality of axially extending teeth of the lock nut.