1E7J4 – 1E7K4 Cylinder
Best Access Systems
Features
Designed for high security applications, BEST offers the 1E7J4 high security cylinder and special 5C interchangeable core. This special cylinder is listed by Underwriters Laboratories as meeting UL437 standard for key locks. The patented cylinder provides additional strength through a hardened stainless steel alloy ring, face and keyway disc. It can be masterkeyed into any BEST masterkey system. Cylinder also conforms
to ANSI A156.5 mortise cylinder, Grade 1A. The 1E7J4 cylinder must be combinated at the factory. The 1E7K4 cylinder is available where UL listing is not a requirement, and can be ordered uncombinated.
Note 1: The 1E7J4 cylinder meets UL437 standards only when used with a 36H/37H mortise case.
Note 2: Both 1E7J4 and 1E7K4 require long blade key for operation.
Specifications
Diameter: 1 5⁄32". 1.150-32 (NS-2A) threaded mortise cylinder.
Mounting length: 7 pin– 1 1⁄16".
Material: Brass (cylinder) and stainless steel ring.
Finish: 630 (nickel plated satin stainless steel material).
Cylinder rings: High security wrench resistant, machined from stainless steel, hardened, and nickel plated. Special door preparation required. Diameter of hole 1 3⁄4".
Cylinder face, Keyway disc.: Stainless steel, hardened
Cam: Supplied with C258 cam. Special cams available
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