1E Mortise Cylinder Standard mortise applications require use of BEST’s 1E series cylinders with standard 1E-C4 cam. BEST cylinders may be altered to function with other manufacturers’ locks by use of different cams (see page 8) and different cylinder rings (see page 9). Special cylinder variations are available for most applications (see pages 4 & 5). BEST cylinders are machined from brass or bronze bar stock and are available in a variety of finishes. Additional security is provided by a set screw that mounts diagonally in the cylinder wall and when tightened, holds the cylinder securely in...

Unless otherwise specified, the 1E-C4 cam plied on all 1E mortise cylinders. Commonly used cams are listed on page 8. Standard 1E-C4 Cam If a cam other than the variety listed is needed, a sample cam should be forwarded to your local BEST office along with the lock manufacturer’s name and lock series or identification number. RP Standard Ring Package The RP standard ring package includes a 1E-R3 ( 3⁄16” ) and 1E-R5 ( 3⁄8” ) ring. The 1E-S2 flat spindle is supplied standard on all 1E rim cylinders. If marine application is necessary, request “marine construction” (1E-S3 bronze spindle and non-ferrous...

Riveted cams Special Length Mortise Cylinders Specifications Diameter: 1 5⁄32” Uses: Special thickness doors Length: See chart Material: Solid brass or bronze Cam: Standard 1E-C4 cam (see page 2) supplied unless otherwise specified. Rings: The RP2 (for 6 pin) and RP3 (for 7 pin) package are supplied standard (page 2) unless otherwise specified. To order: Designate desired length from chart under length code step “D” as shown (page 2). Example: 1E-74-32 Screw-on cams SPECIAL CYLINDERS *ONLY AP TO 1E74 1 1⁄2” Diameter Mortise Cylinder Specifications Diameter: 1 1⁄2” Length: 6 pin–1 1⁄8” ; 7 pin–1...

Mortise and Rim Cylinders with Dust Covers Specifications Diameter: 1 5⁄32” Length: Mortise- 6 pin– 1 1⁄8” ; 7 pin– 1 9⁄32” Rim- 6 pin– 1 3⁄16” ; 7 pin– 1 11⁄32” Material: Solid brass or bronze Cam: Standard 1E-C4 cam (see page 4) 1E series supplied unless otherwise specified. Rings: Ring packages are supplied standard as follows (unless otherwise specified): Mortise 6 pin: RP2 ring package (see page 2), 1EB7B4 Mortise 7 pin: RP3 ring package (see page 2 Rim 6 and 7 pin: RP3 ring package (see page 2) To order: Designate “B4” on step “C” of order procedure (page 2). Example: 1EB 7B4 C4 RP3 626...

HIGH SECURITY SERIES 1E HIGH SECURITY CYLINDERS 1EJ7J4 – 1EK7K4 Cylinder Features Designed for high security applications, BEST offers the 1EJ7J4 high security cylinder and special 5C interchangeable core. This special cylinder is listed by Underwriters Laboratories as meeting UL437 standard for key locks. The cylinder provides additional strength through a hardened stainless steel alloy ring, face and keyway disc. Cylinder also conforms to ANSI A156.5 mortise cylinder, Grade 1A. The 1EJ7J4 cylinder must be combinated at the factory. The 1EK7K4 cylinder is available where UL listing is not a...

SPECIAL EUROPROFILES Mortise locksets from a number of different international manufacturers can be incorporated into your BEST masterkeyed system by replacing the cylinder with a Best Eurocylinder and 3C European interchangeable core. When ordering, please specify the lock manufacturer’s name and their model number. Some Euro profile cylinders will accept Best standard core rather than the 3C core. Please specify the “E” option when ordering standard cores for use in Eurocylinders. Best Access Systems order nomenclature and several required critical dimensions are listed below. Please specify,...

Special cams are available which will operate most mortise locksets, regardless of make or function. With these cams,your masterkeyed system can be extended through the use of replacement cylinders with cams similar to those being used. A few of the cams are illustrated. Other designs are available upon request. All cams available are designed for use on BEST mortise cylinders. WARNING– Best Access Systems desires to provide up-to-date and reliable product adaptation uses. However, BEST cannot guarantee the quality of other manufacturers’ locksets. In addition, other lock manufacturers’ may make...

Overall Length Available Nomenclature if Ordered With Cylinder (see step “F” page 2) Nomenclature if Ordered Without Cylinder SPECIAL RINGS Specifications - 1E-R7 To be used with BEST 1E series (1 5⁄32” ) Cylinders. Dimensions– inside diameter- 1 5⁄32”, outside diameter 1 5⁄16” length-see chart at left. Material– solid brass or bronze Finish– available in 605, 606, 612, 613, 625 and 626 Overall Length Available Nomenclature if Ordered With Cylinder (see step “F” page 2) Nomenclature if Ordered Without Cylinder Specifications - 1E-R8 To be used with BEST 1E series (1 5⁄32” ) Cylinders. Dimensions–...

UTILITY CYLINDER LOCK Refer To The Following Procedure When Ordering See Order Example At Bottom Of Next Page. A Cam Motion and Degree of Rotation When ordering 5E cylinders, specify the cam motion type and degree of rotation. Available cam motion types are listed below. Different type motions are limited to different degrees of key rotations. Type A– Direct motion - Key and cam rotation is direct. Key may be removed in locked position only. Motion is 360 degrees right or left. 5E– 3/4” Cylinder Specifications The 5E utility cylinder lock fits standard 3⁄4” diameter cylinder installations such...

Cam length is determined by measuring from center of the cam rotation to the tip of the cam. Cam Cams for 5E cylinders are available with a number of variations to suit the particular application as required. Two major variations that must be designated on the order are: A.) The cam type, and B.) The cam length. Cam Types The following cam types are available for the Best 5E cylinder. Other designs are available upon request. (See page 8) E C1 C3 4A&4B 2A&2B Straight Cam Straight Cam Offset Cam Offset Cam Fixed Motion Lost Motion Lost Motion Fixed Motion Cam Types Defined (Listed relative to...