Specification Sheet
MS1850SN-050 MS
®
Deadlock (ANSI Size)
Operation
360° turn of key or thumbturn throws or retracts the
counterbalanced bolt. Key can be removed only when
bolt is in a positively locked or unlocked position. Lock
accepts any standard 1-5/32" diameter mortise cylinder or
thumbturn from either or both sides. Cylinder must have
MS
®
dimensioned cam.
Specifications
CYLINDER BACKSET
• 1-1/2" only.
CASE
• Steel with corrosion-resistant plating, measures 1" x 6" x 2-1/4".
BOLT
• 5/8" x 1-3/8" with 13/16" throw. Eight-ply laminated stainless
steel. Center ply has alumina-ceramic core to defeat any
hacksaw attack, including rod-type “super” hacksaws, while
hook shape repels pry bar attempts to “spread” the door
from its jamb or lift it off its track.
FACEPLATE
• Measures 1-1/4" x 8".
STRIKE
• See back of page for dimensions of strike slot which can be
cut in metal jamb. Trim plate, box strike, and armored strike
are also available.
CYLINDER CAM
• MS1850SN-050 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.
OPTIONS
• Cylinder backset and faceplate finish and shape (radiused,
flat or bevel cross-section to match door nose) must be
specified. “SCHOOLHOUSE” version, also available, is
modified so that operation from inside is “unlock only”. This
lock is handed and must be specified LH or RH. Specify
Series SCH1850SN-050. Same faceplate and backset
options as Series MS1850SN-050. Operation from inside,
with standard Adams Rite 4066 Turn.
STANDARD PACKAGE
• Individually boxed with machine screws for mounting.
Cylinders and/or thumbturns available separately. Shipping
weight: 1-1/2 lbs.
MS1850SN-050 MS
®
DEADLOCK (ANSI SIZE)
HOLLOW
METAL
WOOD
GRADE 1
E8281/E8291
The ANSI size MS1850SN-050 Deadlock utilizes a
laminated stainless steel hookbolt, activated by a pivot
mechanism to provide maximum security for wood or
hollow metal doors.
Function
For hollow metal or wood sliding doors prepared for hardware according
to the specifications of the American National Standards Institute (ANSI),
this MS deadlock provides maximum security and ease of installation. Its
standard 1-1/2" backset dimension provides adequate clearance for the
deep jamb “pocket” of many commercial and industrial entrances. Also
useful for swinging doors closing against jambs too shallow for the 1-3/8"
throw of the MS1850SN swinging door deadlock.
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 800.232.7329
10027 S. 51st Street, Ste 102
Phoenix, Arizona 85044
www.adamsrite.com
ARM-014-9/14
DEADL OCKS
DL-15