Mortise cylinders
Mortise Cylinder
900 Series Cylinders
are furnished with
#4 straight cam
and 250 Series
with #1 cloverleaf
cam unless
otherwise
specified. See table
for product numbers. See
pages 32-33 for optional
cams and 34-35 for collars.
Thumbturn Cylinder
Furnished with #4
straight cam
except 970
Series furnished
with #1
cloverleaf cam
unless otherwise
specified. See table for
product numbers. See page
for optional cams and
for collars.
Dummy Cylinder
Used to plug hole in
door where lock
remains but
cylinder operation
is no longer
needed.
984
1”
985
1-1/8”
Keyed Mortise Cylinders
Catalog no.
Length
Pins
Application
985
1-1/8”
5 or 6
Generic
986
1-1/4”
5 or 6
Generic
987
1-3/8”
6 or 7
Generic
988
1-1/2”
6 or 7
Generic
990
1-3/4”
6 or 7
Generic
992
2”
6 or 7
Generic
250
1-1/8”
6
M451 hotel function
251
1-1/4”
6
M451 hotel function
252
1-3/8”
6
M451 hotel function
253
1-3/8”
7
M451 hotel function
Thumbturn Mortise Cylinders
Catalog no.
Length
Pins
Application
985T
1-1/8”
-
Generic
986T
1-1/4”
-
Generic
973
1-1/8”
-
M911 Classroom Thumbturn, RH
(CCW)
974
1-1/8”
-
M911 Classroom thumbturn, LH (CW)
Specify finish: 605, 606, 612, 613, 626, 629, 630
Strikes
LH A21316-0xx
LH A21315-0xx
RH A21316-0xx
RH A21315-0xx
020569-000
020568-000
020317-000
Standard strikes
Optional strikes
Strikes sold separately
(Lip Length)
Description
02056
9
(1-
1/
8”)*
020568
(1-
1/
8”)*
02131
7
(1-
1/
4”)
21315 (1-
1/
4”)
21316
(1-
1/
4”)
20318
(1-
1/
4”)*
2031
9
(1-
1/
8”)*
A21315-0xx
(1-
1/
4”)*
A21316-0xx
(1-
1/
4”)*
02131
7-000
(1-
1/
4”)
020568- 000 (1-
1/
8”)
02056
9-000
(1-
1/
8”)
020318-0xx
(1-
1/
8”)*
02031
9-0xx
(1-
1/
8”)*
Strike for latchbolt only, M101, 161, 321,
381, 411, 441, 521, 561, 581, 851, 881
•
•
•
•
Strike for deadbolt and latch, M301, 311,
371, 431, 451, 531, 541, 571, 621, 641, 711
•
•
•
•
Strike for deadbolt only
•
•
Strike for smoke seal or tight fi tting
doors latchbolt only
•
•
Strike for smoke seal or tight fi tting
doors latch and deadbolt only
•
•
* Specify hand for all curved lip strikes
Parts and accessories
Falcon • M-Series service manual • 37
