Abstract: A backshell assembly for a bulkhead electrical connector includes a lug defining a central lug bore, a nut defining a central nut bore, and a ring defining a central ring bore. The lug is configured to be coupled to the bulkhead electrical connector, the nut is configured to be coupled to the lug, and the ring is configured to be retained by the nut at least partially within at least one of the central lug bore and the central nut bore. A wire assembly to be coupled to the bulkhead electrical connector includes electromagnetic shielding, and such electromagnetic shielding is configured to be electrically grounded to the bulkhead electrical connector via the backshell assembly.

Abstract: A backshell assembly for a bulkhead electrical connector may include a lug defining a central lug bore, a nut defining a central nut bore, and a ring defining a central ring bore. The lug may be configured to be coupled to the bulkhead electrical connector, the nut may be configured to be coupled to the lug, and the ring may be configured to be retained by the nut at least partially within at least one of the central lug bore and the central nut bore. A wire assembly to be coupled to the bulkhead electrical connector may include electromagnetic shielding, and such electromagnetic shielding may be configured to be electrically grounded to the bulkhead electrical connector via the backshell assembly.

Abstract: An example laminate assembly pressurization arrangement includes a plurality of laminations arranged in a laminate stack. The plurality of laminations are movable between sealed positions and unsealed positions relative to each other. An end plate is adjacent the laminate stack. A housing is configured to establish a first volume together with the end plate. A first group of tie rods is directly secured to the end plate and is configured to move the end plate to a first position that holds the plurality of laminations in sealed positions. A second group of tie rods is directly secured to the housing. Pressurizing the first volume limits movement of the end plate away from the first position.

Abstract: The system has a cryogenic tank and a connection for supplying a first fluid to the cryogenic tank. The fluid connection is provided with at least one valve which may be selectively opened to receive the fluid and one valve for venting. A vacuum chamber housing is positioned on an opposed side of the valve from the tank. A vacuum source is operated to remove leaking fluid from the vacuum housing while the first fluid is being supplied through the valve to the tank in order to minimize heat leaks to the transfer tube. A method is also disclosed.

Abstract: An assembly has a plurality of laminate components aligned atop each other. A first endplate is at one end of the assembly of components and a second endplate is at an opposed end. The first and second endplates have outer surfaces facing away from the components. A spring force applies a compressive force to bias the first and second endplates together and, in turn, apply a force across the laminate components. The spring force is provided by a spring mounted between the outer surfaces of the first and second endplates.

Abstract: An example laminate assembly pressurization arrangement includes a plurality of laminations arranged in a laminate stack. The plurality of laminations are movable between sealed positions and unsealed positions relative to each other. An end plate is adjacent the laminate stack. A housing is configured to establish a first volume together with the end plate. A first group of tie rods is directly secured to the end plate and is configured to move the end plate to a first position that holds the plurality of laminations in sealed positions. A second group of tie rods is directly secured to the housing. Pressurizing the first volume limits movement of the end plate away from the first position.

Abstract: An example method of sealing a laminate assembly includes preloading a laminate assembly having a plurality of laminations, pressurizing the laminate assembly, and pressurizing an enclosed volume disposed adjacent an end portion of the laminate assembly to hold the laminations in sealed positions.

Abstract: An extravehicular activity system includes a vehicle having a bulkhead providing a port. The bulkhead separates an interior environment and an unenclosed exterior environment. The exterior environment is configured to be exposed to atmospheric pressure in a donning condition. A cover has a perimeter with a side of the perimeter secured to the bulkhead by a hinged joint. A spacesuit is supported on the bulkhead in the exterior environment and includes a flange providing a rear entry opening aligned with the port. A PLSS is retained in the cover and spaced from the flange in the donning condition. The PLSS is configured to be rotated about the hinged joint and into engagement with the flange in a donned condition in which the PLSS is removably secured to the flange.

Abstract: An example method of sealing a laminate assembly includes preloading a laminate assembly having a plurality of laminations, pressurizing the laminate assembly, and pressurizing an enclosed volume disposed adjacent an end portion of the laminate assembly to hold the laminations in sealed positions.