An actuator assembly, comprising: a housing defining a housing bore that extends along a first axis between a first housing end and a second housing end; a piston rod at least partially disposed within the housing bore, an end gland having a first end gland surface that engages the piston rod and a second end gland surface that engages the housing bore, the end gland defining a first gland groove that extends from the first end gland surface towards the second end gland surface, the first gland groove receiving a self-lubricating filler that engages the piston rod, wherein the first end gland surface and the second end gland surface each extend between a first end gland end and a second end gland end along the first axis, and wherein the end gland includes a flange that radially extends from the first end gland end and is disposed adjacent to an end surface of the housing; and characterized in that the piston rod defines a piston bore that extends from a first piston end towards a second piston end along the first axis; and further comprising: a lost motion device comprising a rod end, a bushing having a first bushing surface and a second bushing surface, the first and second bushing surfaces (120, 122) extending between a first bushing end and a second bushing end along the first axis, the bushing receiving a self-lubricating plug, and wherein the bushing being disposed about the rod end and is disposed within the piston bore of the piston rod; and wherein a portion of the bushing proximate the first bushing end includes an enlarged portion, the enlarged portion having a cross-sectional diameter or cross-sectional form that is greater than a cross-sectional diameter or cross-sectional form of the remainder of the bushing, and an end surface of the enlarged portion abuts or engages the first piston end. a housing defining a housing bore that extends along a first axis between a first housing end and a second housing end; a piston rod at least partially disposed within the housing bore, an end gland having a first end gland surface that engages the piston rod and a second end gland surface that engages the housing bore, the end gland defining a first gland groove that extends from the first end gland surface towards the second end gland surface, the first gland groove receiving a self-lubricating filler that engages the piston rod, wherein the first end gland surface and the second end gland surface each extend between a first end gland end and a second end gland end along the first axis, and wherein the end gland includes a flange that radially extends from the first end gland end and is disposed adjacent to an end surface of the housing; and characterized in that the piston rod defines a piston bore that extends from a first piston end towards a second piston end along the first axis; and further comprising: a lost motion device comprising a rod end, a bushing having a first bushing surface and a second bushing surface, the first and second bushing surfaces (120, 122) extending between a first bushing end and a second bushing end along the first axis, the bushing receiving a self-lubricating plug, and wherein the bushing being disposed about the rod end and is disposed within the piston bore of the piston rod; and wherein a portion of the bushing proximate the first bushing end includes an enlarged portion, the enlarged portion having a cross-sectional diameter or cross-sectional form that is greater than a cross-sectional diameter or cross-sectional form of the remainder of the bushing, and an end surface of the enlarged portion abuts or engages the first piston end. a lost motion device comprising a rod end, a bushing having a first bushing surface and a second bushing surface, the first and second bushing surfaces (120, 122) extending between a first bushing end and a second bushing end along the first axis, the bushing receiving a self-lubricating plug, and wherein the bushing being disposed about the rod end and is disposed within the piston bore of the piston rod; and wherein a portion of the bushing proximate the first bushing end includes an enlarged portion, the enlarged portion having a cross-sectional diameter or cross-sectional form that is greater than a cross-sectional diameter or cross-sectional form of the remainder of the bushing, and an end surface of the enlarged portion abuts or engages the first piston end.