| Catalog Number |
ANSI |
Function Outside/Inside |
Name |
Description |
| MA101 |
F01 |
 |
Passage/Closet latchset |
Latch bolt operated by knob/lever from either side at all times. |
| MA161 |
F31 |
 |
Connecting room/Exit lock |
Latch bolt operated by knob/lever from inside. No trim outside. Auxiliary dead latch. |
| MA301 |
F02 |
 |
Privacy lock |
Latch bolt operated by knob/lever from either side. Dead bolt operated by turn from inside and by emergency release from outside. |
| MA311 |
F19 |
 |
Privacy lock with inside lever release |
Latch bolt operated by knob/lever from either side. Dead bolt operated by turn from inside and emergency release from outside. Operating inside knob/lever retracts both bolts. |
| MA321 |
F22 |
 |
Privacy lock with no entry lockout |
Latch bolt operated by knob/lever from either side except when outside knob/lever is locked by inside turn. Operating inside knob/lever, closing door or operating outside emergency release unlocks outside knob/lever. |
| MA371 |
F14 |
 |
Store door lock |
Latch bolt operated by knob/lever from either side. Dead bolt operated by key from either side. |
| MA381 |
F09 |
 |
Apartment exit lock |
Latch bolt operated by knob/lever from either side, except when outside knob/lever is locked by key from inside. When outside knob/lever is locked, latch bolt is retracted by key from outside or by operating inside lever. Auxiliary dead latch. |
| MA411 |
F30 |
 |
Asylum lock |
Latch bolt operated by key from either side. Both knobs/levers always inoperative. Auxiliary dead latch. Caution: Double cylinder locks on residences and any door, in any structure, which is used for egress are a life safety hazard in times of emergency and their use is not recommended. Installation should be in accordance with existing codes only. |
| MA431 |
F34 |
 |
Security lock with deadbolt |
Latch bolt operated by knob/lever from either side except when outside knob/lever is locked from inside or outside by key. Dead bolt retracted by key from inside or outside. Operating inside knob/lever retracts both bolts and unlocks outside. Latch bolt dead locked when dead bolt is thrown. |
| MA441 |
F32 |
 |
Classrooom security lock |
Latch bolt operated by knob/lever from either side except when outside knob/lever is locked from inside or outside by key. When outside knob/ lever is locked, latch bolt is retracted by key from inside or outside or by operating inside knob/lever. Auxiliary dead latch. |
| MA451 |
F15 |
 |
Hotel guest lock |
Latch bolt operated by key from outside or by operating inside knob/lever. Outside knob/lever is always inoperative. Dead bolt projected by turn from inside and all keys except emergency key are shut out. Operating inside knob/lever retracts both bolts. Auxiliary dead latch. |
| MA521 |
F04 |
 |
Entry/office lock with button lockout |
Latch bolt operated by knob/lever from either side except when outside knob/lever is made inoperative by buttons in face. When outside knob/ lever is locked, latch bolt is retracted by key from outside or by operating inside knob/lever. Auxiliary dead latch. Outside knob/lever is unlocked by button on face. |
| MA531 |
F12/F20 |
 |
Apartment corridor lock |
Latch bolt operated by knob/lever from either side, except when outside knob/lever is made inoperative by buttons in face. Dead bolt operated by key outside or turn inside. Key outside operates both bolts. Operating inside knob/lever retracts both bolts and outside remains locked. Latch bolt is deadlocked when outside knob/lever is made inoperative or when the dead bolt is projected. When dead bolt is retracted, knob/lever is unlocked by buttons in face. |
| MA541 |
F21 |
 |
Entry/office lock |
Latch bolt operated by knob/lever from either side. Dead bolt operated by key from outside or turn from inside. |
| MA551 |
F06 |
 |
Holdback lock |
Latch bolt operated by lever from either side except when outside lever is locked from outside by key. Latch bolt can be locked in a retracted position by key. When outside lever is locked, latch bolt is retracted by key from outside or by operating inside lever unless latch bolt has been locked in a retracted position. Auxiliary dead latch. To activate the Holdback Function – from the unlocked position rotate the outside lever/knob to retract the latchbolt. Rotate key 360°. Release lever/knob. To release Holdback Function, rotate key 360° clockwise.
Note: Chassis is handed. |
| MA561 |
F05 |
 |
Classroom lock |
Latch bolt operated by knob/lever from either side except when outside knob/lever is locked from outside by key. When outside knob/lever is locked, latch bolt is retracted by key from outside, or by operating inside knob/lever. Auxiliary dead latch deadlocks latchbolt when door is closed. Inside knob/lever always free for immediate exit. |
| MA571 |
F13 |
 |
Dormitory or exit lock |
Latch bolt operated by knob/lever from either side. Dead bolt projected by key from outside and turn from inside. Operating inside knob/lever retracts both bolts and unlocks outside. |
| MA581 |
F07 |
 |
Storeroom lock |
Latch bolt operated by key from outside or by operating inside knob/lever. Outside knob/lever is always inoperative. Auxiliary dead latch. |
| MA621 |
F08/F10 |
 |
Apartment corridor lock with button lockout |
Latch bolt is operated by knob/lever from either side, except when outside knob/lever is made inoperative by buttons in face. Dead bolt is operated by turn inside. Key outside operates both bolts. Outside knob/lever is unlocked by button on face. |
| MA641 |
NA |
 |
Dormitory lock |
Latch bolt by knob/lever inside and key outside. Inside knob/lever free. Outside knob/lever rigid. Deadbolt by key outside or T-turn inside. Rotating inside knob/lever retracts both bolts. Deadlocking latch. |
| MA851 |
NA |
 |
Storeroom-fail safe (EL - 12 or 24V DC) (RX option - request to exit) |
Latch bolt operated by knob/lever from either side except when outer knob/lever is electrically locked. When outer knob/lever is locked, latch bolt retracted by key in cylinder outside. Deadlocking latch.
Note: Specify 12 or 24V DC. |
| MA881 |
NA |
 |
Storeroom-fail secure (EU - 12 or 24V DC) (RX option- request to exit) |
Latch bolt operated by knob/lever from inside except when outer knob/ lever is electrically unlocked, then latch bolt from either side. When locked, key in cylinder outside retracts latch bolt. Deadlocking latch.
Note: Specify 12 or 24V DC. |
| MA911 |
F29 |
 |
Classroom dead lock |
Key from outside operates dead bolt. Turn from inside retracts but does not project dead bolt. |
| MA921 |
F18 |
 |
Outside only deadlock |
Dead bolt operated by key from outside only. |
| MA931 |
F16 |
 |
Two sided deadlock |
Dead bolt operated by key from either side. Caution: Double cylinder locks on residences and any door, in any structure, which is used for egress are a life safety hazard in times of emergency and their use is not recommended. Installation should be in accordance with existing codes only. |
| MA941 |
F17 |
 |
Deadlock with inside turn |
Dead bolt operated by key from outside and by turn from inside. |
| MA12/MA18 |
NA |
 |
Dummy Trim |
Single or double available. Single (MA12) Double (MA18) |