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CompX National showcase door lock is a dedicated lock for plate glass sliding doors, so it secures display cases where doors bypass each other instead of swinging. This focus on sliding showcase doors helps keep merchandise access controlled in retail and commercial displays.
The lock is designed for plate glass sliding doors up to .22 inch thick, which means it fits common thin glass used in showcases and trophy cases. That thickness range matters on installs, because the body seats correctly on the glass without extra adaptation work.
The ANSI/BHMA designation E07191 ties this lock to a recognized standard, so buyers can match it to specification-driven jobs that call out that designation. This supports consistent hardware selection across multiple cases on the same project.
A satin chrome finish gives the lock a neutral, professional look, so it blends with typical aluminum tracks and chrome-framed display hardware. This finish keeps the lock visually unobtrusive while still providing a clean, finished appearance on customer-facing fixtures.
This glass door showcase lock is specified for plate glass sliding doors up to .22 inch thick, so installers can plan around a known glass thickness limit instead of trial fitting different bodies. That clear dimension supports straightforward selection for new cases or replacement work.
The bolt type is described as an internal spring, which keeps the working bolt mechanism contained within the lock housing. For installers, this means the moving parts stay protected at the edge of the sliding glass, helping the bolt operate consistently as doors bypass in normal use.
Because the lock is keyed to work with National Lock pin tumbler locks keyed to #101, it integrates into existing #101 key systems where that pattern is in place. This allows multiple showcases or cabinets on the same site to be operated using the same key code, which simplifies key control for staff.
This showcase lock satin chrome model is described for plate glass sliding doors up to .22 inch thick, so it suits display cases, retail showcases, and similar plate glass enclosures that use bypassing doors. That thickness detail keeps the lock targeted to light showcase glass rather than heavier storefront glazing.
The product sits in the Bypassing and Showcase Door Locks class, so it is oriented toward applications where two or more glass doors slide past one another. In those situations, a dedicated bypassing showcase door lock helps secure the overlap point without relying on cabinet-style swinging door hardware.
The ANSI/BHMA E07191 designation anchors this lock to a defined showcase lock type within industry standards. For buyers working from drawings or replacement schedules that call for E07191, this part number provides a direct way to match the specified hardware across multiple cases or future service needs.
The satin chrome finish described for this lock supports use in commercial interiors, where satin metallic finishes coordinate with typical frame, track, and trim materials. This keeps the lock visually consistent across a run of similar showcases in the same space.
The bolt type listed as internal spring means the bolt is spring-driven inside the lock body, giving it a self-actuating action when turning the key. In day-to-day use on sliding doors, that internal spring action helps the bolt seat into position with each operation, supporting repeatable locking.
Key removable in locked position only is a key control feature. By allowing key withdrawal only when the cylinder is in the locked position, it reduces the chance that staff leave the case in an unlocked state, which is important where merchandise is stored in glass showcases.
The lock is keyed to work with National Lock pin tumbler locks keyed to #101, tying it into the #101 key pattern. For sites already using National Lock #101 keys, this lets the same key operate this showcase lock, helping consolidate access control across related fixtures.
The manufacturer part number C8140-101-26D uniquely identifies this satin chrome showcase lock with the described keying and bolt characteristics. Using this exact part number simplifies repeat ordering for replacements or for outfitting additional glass display cases in the same project.
The CompX National showcase door lock is described for plate glass sliding doors, so it suits bypassing glass showcase doors rather than swinging cabinet doors.
The lock is specified for plate glass sliding doors up to .22 inch thick, so it is sized for typical thin glass used in display and showcase doors.
The internal spring bolt keeps the bolt mechanism within the housing and spring-driven, so turning the key moves the bolt positively for consistent locking on sliding glass doors.
The lock is described as key removable in locked position only, so the key can be withdrawn only after locking, which supports secure closing routines.
The lock is keyed to work with National Lock pin tumbler locks keyed to #101, so it operates on the #101 key pattern used in matching National Lock systems.
ANSI/BHMA designation E07191 identifies the lock as a specific showcase lock type, so it can be matched to hardware schedules and standard-based specifications.
The CompX National showcase door lock brings together an internal spring bolt, key removable in locked position only, and #101 keying to address plate glass sliding doors up to .22 inch thick. That combination suits display cases needing controlled access under a known key pattern.
The ANSI/BHMA E07191 designation and satin chrome finish provide a clear spec and a neutral appearance, so this C8140-101-26D lock can be selected confidently when matching standards, finishes, and key systems on new or replacement showcase projects.
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