Specification Sheet

MS1837 Series MS
®
Two-Point Deadlock
Operation
360° turn of key or thumbturn throws counterbalanced
bolt into opposite door and drops bolt into threshold. Key
can be removed only when bolts are in a positively locked
or unlocked position. Lock accepts any standard 1-5/32"
diameter mortise cylinder from either or both sides. Cylinder
must have MS® dimensioned cam.
Specifications
CYLINDER BACKSET
• 1-1/2" only.
CYLINDER HEIGHT
• 36" standard. Other heights available on special order.
CASE
• Steel with corrosion-resistant plate, measures 1" x 6" x
2-3/16".
PIVOTED BOLT
• 5/8" x 1-3/4" x 2-7/8" with 1-3/8" throw. Eight-ply laminated
steel with alumina-ceramic core to deter hacksaw attack.
THRESHOLD BOLT
• Hexagonal 3/8", flat to flat. Stainless steel.
ARMORED FACEPLATE
• Flat, two-piece plate extends to bottom of door. Standard
finish is US28 (628) Clear Anodized.
STRIKE
• For MS bolt, a 4001-011 strike plate with dust box is
furnished. Threshold bolt strike can be 1/2" diameter hole
in metal threshold or, if threshold is wood, 4005 strike is
available as an option.
CYLINDER CAM
• 1837 Two-Point Deadlocks are operable by any standard
1-5/32" diameter mortise cylinder with MS
®
cam,
dimensioned as shown. Cylinders with MS
®
cams can be
readily obtained from most cylinder manufacturers. See
CYLINDERS section for cylinder make, thumbturn and
trim ring information.
STANDARD PACKAGE
• Basic MS lock individually boxed with mounting screws.
Hexbolt and rod packed separately with face extension
plate, screws, bottom bolt guide, and attachment pin.
Cylinders and/or thumbturns available separately.
Shipping weight: 3 lbs.
MS1837 SERIES MS
®
TWO-POINT DEADLOCK
WOOD
GRADE 1
E8241
Maximum security for wood door pairs is provided with the
MS1837 Two-Point Deadlock. A single turn drops a bolt
into the threshold and pivots the MS bolt.
Function
Maximum security for wood door pairs by a single turn of a key is provided
with the MS1837. Simultaneously dropping a stainless steel hexbolt into the
threshold and pivoting the massive MS bolt into the opposite leaf, the MS1837
eliminates inconvenient and sometimes forgotten flushbolts in the inactive leaf.
B
LOCK CASE
CAM
TR
A
DOOR CENTERLINE
*TOLERANCE: ± 1/16
DOOR STILE
TRIM RING
CYLINDER
TR* = A + .125 – B TR* = A + .132 – B
FOR MS
®
LOCKS: FOR 4500 SERIES LATCHES:
“Dim A”
R
R
1830
2190
2290
MS1837
MS1850S
MS1850SN
MS1861
MS1950
1875
MS
+
1890
4300
4510
4530
4900
4781
4920AN
8300
8400
8650
DEADLOCK
DEADLATCH
SERIES
SERIES
EXIT
DEVICES
1870
1870HM
1877
3080
3090
FLUSHBOLTS
TRIM
THIS CAM AVAILABLE FROM:
ADAMS RITE
ARROW
ASSA
BEST
CORBIN RUSSWIN
DORMA
FALCON
KABA-ILCO
MEDECO
SARGENT
SCHLAGE
WEISER
YALE
.120"
3.0mm
.182"
4.6mm
.334"
8.5mm
.620"
15.7mm
R
.721"
18.3mm
.950"
24.1mm
.334"
8.5mm
.800" ± .005"
20.3mm ± .127mm
.850" ± .005"
21.6mm ± .127mm
THIS CAM AVAILABLE
FROM ABOVE CYLINDER
MANUFACTURERS
ON SPECIAL ORDER
(OR MAKE FROM
STANDARD CAM)
THIS CAM AVAILABLE
FROM ALL CYLINDER
MANUFACTURERS
(STANDARD CAM)
Narrow stile doors require a trim ring to fill the gap remaining between the cylinder
shoulder and stile when a standard mortise cylinder is used. If the security of the
hardened steel Adams Rite MS4043 Cylinder Guard is not required, this ring may be
simply a length of 1.171 I.D. tubing. Its length varies depending on door thickness or
cylinder make and number of pins. The specific length required can be quickly
determined by the following formula:
DIMENSIONS OF CAM TO OPERATE:
DIMENSIONS OF CAM
TO OPERATE:
4070 SERIES DEADBOLT
DIMENSIONS OF CAM
TO OPERATE:
2331 DEADBOLT
CYLINDER TRIM RING FOR NARROW STILES
“ TR ” is trim ring length.
“
A ” is cylinder height (less shoulder but including cam).
“
B ” is one-half of door thickness.
800.872.3267 • Fax [phone]
10027 S. 51st Street, Ste 102
Phoenix, Arizona 85044
www.adamsrite.com
ARM-014-9/14
DEADL OCKS
DL-5