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N Series pin tumbler deadbolt defines this Olympus Lock, Inc. door lock as part of a keyed system that can be keyed together with other N Series locks, which matters when matching new deadbolts to an existing keyway across multiple openings. The cylinder is a solid brass pin tumbler design, so the working core resists wear in normal door use and supports consistent key operation over time. A zinc die cast body supports the cylinder, giving the lock a solid base for the brass core so the door prep carries the load instead of the key components. The keyway is an N Series equivalent to National D4291 4-pin or D4292 5-pin systems, which lets you plan keying to match other hardware built on the same keying platform.
The 15/16 inch pin tumbler deadbolt cylinder length option ties directly to door build, letting you select a length that aligns with the door thickness so the cylinder projects correctly through the prep. Additional cylinder lengths of 1-3/8 inch and 1-5/8 inch support doors or constructions requiring a longer cylinder reach, which keeps the keyway flush where needed. The N Series keyway matches equivalent National D4291 4-pin or D4292 5-pin systems, which helps when coordinating keying with other N Series hardware on the project. Stock keying offered as keyed different or keyed alike in a 4 pin standard layout provides flexibility for separating doors or grouping them by KA numbers 101, 103, 107, or 915.
This deadbolt door lock is part of the Olympus N Series, so it fits projects built around that N Series keyway where multiple locks share a common platform. The satin brass finish ties to visible hardware design, which matters on doors where the cylinder face is part of the finished look. Because the product is classified under deadbolt locks, it suits door applications calling for a deadbolt-style function rather than a latch-only arrangement. The body is zinc die cast with a solid brass cylinder, so the structural parts support the pin tumbler core in everyday use while the brass cylinder presents the working key interface. The N Series keyway equivalence to National D4291 4-pin or D4292 5-pin systems fits facilities using those patterns.
The deadbolt is easily rekeyable using a set screw cylinder release mechanism, which means the cylinder can be removed for rekeying while the main lock body stays in the door prep. That mechanism supports rekeying work when tenant changes, masterkey updates, or security revisions call for new keys. Stock keying in KD/KA 4 pin standard gives a base setup that can be used as-is or integrated into larger key systems, and the available KA numbers 101, 103, 107, and 915 simplify grouping openings by shared key. Masterkeyed 5 pin standard capability supports a master system where individual locks have unique change keys but coordinate under a master key, and grand masterkeyed availability extends that concept to larger hierarchies. Passing ANSI/BHMA A156.11 Grade 1 performance requirements indicates the deadbolt function has been evaluated against that grade level, which matters on projects that reference Grade 1 performance. The standard function design allows the key to be removed when the lock is in either the locked or unlocked position, giving occupants predictable key handling whether they prefer to withdraw the key after locking or after unlocking.
The deadbolt uses a solid brass pin tumbler cylinder, which provides a durable keying core and supports standard key operation within the N Series keying system.
The N Series deadbolt uses an N Series keyway equivalent to National D4291 4-pin or D4292 5-pin systems, helping it coordinate with other locks using those patterns.
The deadbolt is rekeyable via a set screw cylinder release mechanism, allowing the cylinder to be removed for rekeying while retaining the main lock body.
The deadbolt passed ANSI/BHMA A156.11 Grade 1 performance requirements, so it aligns with that recognized Grade 1 level for deadbolt locks.
Stock keying is KD/KA 4 pin standard, with stock keyed alike numbers 101, 103, 107, and 915 to support grouping multiple locks by shared key.
The deadbolt offers cylinder lengths of 15/16 inch, 1-3/8 inch, and 1-5/8 inch, letting the cylinder length match different door thicknesses or hardware stacks.
The Olympus N Series 15/16 inch pin tumbler deadbolt door lock in satin brass pairs a zinc die cast body with a solid brass cylinder, giving you a deadbolt built on an N Series keyway platform. With easily rekeyable set screw cylinder release, ANSI/BHMA A156.11 Grade 1 performance, N Series keyway equivalence to National D4291 or D4292, and cylinder lengths from 15/16 inch to 1-5/8 inch, this 100-US478-KD deadbolt supports coordinated keying and door construction needs. Use this configuration when you want a satin brass N Series deadbolt that can integrate into keyed different, keyed alike, masterkeyed, or grand masterkeyed systems on door openings.
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