M Series - Heavy Duty Mortise Lockset - Grade 1
Part numbers and descriptions 

 
Sectional Trim
Design JS, SS, GS, TS, KS
Finish US26D US32D, 32, US10B,2,26,4
Functions
Single cylinder without deadbolt
M8050
M8070
M8080
Office / Entrance
Classroom
Storeroom
Single cylinder with deadbolt
M8453
M8456
M8465
M8473
Entrance
Corridor
Closet / Storeroom
Dormitory / Bedroom
Double cylinder without deadbolt
M8060
M8082
Apartment Entrance
Institution
Double cylinder with deadbolt
M8466 Storeroom
M8485 Hotel
M8040 Privacy
M8010 Passage
M8170 Single fixed dummy
Escutcheon Trim
Design

JE, SE, GE, TE, KE

Finish US26D US32D, 32 US10B, 3, 26, 4
Functions
Single cylinder without deadbolt
M8050
M8070
M8080
Office / Entrance
Classroom
Storeroom
Single cylinder with deadbolt
M8453
M8456
M8465
M8473
Entrance
Corridor
Closet / Storeroom
Dormitory / Bedroom
Double cylinder without deadbolt
M8060
M8082
Apartment Entrance
Institution
Double cylinder with deadbolt
M8466 Storeroom
M8485 Hotel
M8040 Privacy
M8010 Passage
M8170 Single fixed dummy