Marks USA Series 5 and 55 Mortise Lock Bodies
Marks Series 5 (2-3/4" Backset) and 55 (2-1/2" Backset) Mortise Lock Body Table of Functions
KEYED SINGLE CYLINDER NO DEADBOLT
| ANSI # | DESCRIPTION | LINK TO PART # (Click Link Below to View Part Number) |
|---|---|---|
| OFFICE VESTIBULE: Latch by knob/lever either side except when outside knob/lever locked by stop-button in front; then by key outside |  |
View D Office Vestibule Lock |
| VESTIBULE: Latch by knob/lever inside, key outside. Outside knob/lever always rigid. |  |
View DW Vestibule Lock |
| F04 - OFFICE: Latch by knob/lever either side except when outside knob/lever locked by stop-button in front; then by key outside. Auxiliary latch deadlocks latch. Inside always open. |  |
View E Office Function Lock |
| F07 - STOREROOM: Latch by knob/lever inside, key outside. Outside knob/lever always rigid. Auxiliary latch deadlocks latch. Inside always open |  |
View EW Storeroom Function Lock |
| F05 - CLASSROOM: Latch by knob/lever either side except when outside knob/lever locked by key. When locked, latch bolt retracted by key. Inside always open. Auxiliary latch deadlocks latch. |  |
View J Classroom Function Lock |
| F26 - INSTITUTIONAL PRIVACY: Latch by knob/lever either side except when outside knob/lever locked by inside turn piece. Latch dead locked by auxiliary latch. Key outside opens latch. When outside locked, inside knob/lever retracts latch, auto matically unlocking outside knob/lever. |  |
View GL Institutional Privacy Function Lock |
| ELECTRICALLY LOCKED (Fail Safe): Outside always locked electrically. Open by key outside, switch or loss of power. Auxiliary latch dead locks latch. Inside always open |  |
View EL Electrically Locked Function Lock |
| ELECTRICALLY UNLOCKED (Fail Secure): Outside always locked until unlocked by key or electrically energized. Auxiliary latch deadlocks latch. Inside always open. |  |
View EU Electrically Unlocked Function Lock |
KEYED SINGLE CYLINDER WITH DEADBOLT
| ANSI # | DESCRIPTION | LINK TO PART # |
|---|---|---|
| F08, F10 - ENTRANCE: Latch by knob/lever either side except when outside locked by stop-button; then by key outside, knob/lever inside. Deadbolt by key outside, turnpiece inside. Deadbolt deadlocks latch. |  |
View A Entrance Function Lock |
| F21 - ENTRANCE: Latch by knob/lever either side. Deadbolt by key outside, turnpiece inside. Deadbolt deadlocks latch. |  |
View B Entrance Function Lock |
| F12 - DORMITORY: Latch by knob/lever either side except when outside knob/lever locked by stop button or projected deadbolt. Deadbolt by turnpiece inside. Inside knob/lever retracts latch and deadbolt simultaneously, leaving outside locked. Deadbolt deadlocks latch. |  |
View F Dormitory Function Lock |
| DORMITORY: Latch by knob/lever inside. Outside knob/lever always rigid. Deadbolt and latch by key outside. Deadbolt by turnpiece inside. When deadbolt is projected, latch is deadlocked. Inside knob/lever retracts latch and deadbolt simultaneously. |  |
View FS Dormitory Function Lock |
| F13 - DORMITORY: Latch by knob/lever either side except when projected dead bolt locks outside knob/lever and deadlocks latch. Deadbolt and latch by key outside. Deadbolt by turnpiece inside. Inside knob/lever retracts latch and deadbolt simultaneously, automatically unlocking outside knob/lever. |  |
View FW Dormitory Function Lock |
| F20 - APARTMENT: Latch by knob/lever either side except when outside locked by stop-button or projected deadbolt. Latch deadlocked by auxiliary latch or deadbolt. Deadbolt and latch by key outside. Deadbolt by turnpiece inside. Inside knob/lever retracts latch & deadbolt simultaneously, leaving outside locked. |  |
View FD Apartment Function Lock |
| F15 - HOTEL: Inside knob/lever always free, outside rigid. Latch by knob/lever inside, key outside. (When deadbolt projected by turnpiece all keys are shut out except emergency key). Inside knob/lever retracts deadbolt and latch simultaneously. Auxiliary latch or deadbolt deadlocks latch. Indicator available. |  |
View H Hotel Function Lock |
| SPECIAL PRIVACY: Inside knob/lever always free, outside rigid. Latch by knob/lever inside, key outside. Deadbolt by turnpiece inside, emergency release outside. Inside knob/lever retracts deadbolt and latch simultaneously. Auxiliary latch deadlocks latch. |  |
View LH Special Privacy Function Lock |
KEYED DOUBLE CYLINDER NO DEADBOLT
| ANSI # | DESCRIPTION | LINK TO PART # |
|---|---|---|
| F32 - INTRUDER LATCH BOLT: Latch by knob/lever either side except when outside knob/lever is locked from inside or outside by key. Latch operated by key from inside or outside. Auxiliary latch, deadlocks latch . Inside always open. |  |
View GC Intruder Latchbolt Function Lock |
| CLASSROOM SECURITY: Latch bolt retracted by knob/lever from either side unless outside is locked by key from either side. Auxiliary latch deadlocks latch bolt when door is locked. Inside knob/lever is always free for immediate egress. |  |
View GG Classroom Security Function Lock |
| CLASSROOM SECURITY w/ HOLDBACK: Latch bolt retracted by knob/lever from either side unless outside is locked by key from either side. When locked, latch bolt retracted by key outside or knob/ lever inside. Auxiliary latch deadlocks latch bolt when door is locked. Depress inside knob/lever and turn key 360° for holdback feature. Inside knob/lever always free for immediate egress. |  |
View GR Classroom Security w/ Holdback Function Lock |
| F30 - INSTITUTION: Both knob/levers rigid. Auxiliary latch deadlocks latch. Latch by key either side. |  |
View WW Institutional Function Lock |
KEYED DOUBLE CYLINDER WITH DEADBOLT
| ANSI # | DESCRIPTION | LINK TO PART # |
|---|---|---|
| F35 - STORE DOOR: Latch by knob/lever either side except when outside knob/lever locked by stop-button in front; then by key outside. Deadbolt by key either side. Deadbolt deadlocks latch. |  |
View AC Entrance Function Lock |
| F14 - STOREROOM: Latch by knob/lever either side. Deadbolt by key either side. Deadbolt deadlocks latch. |  |
View C Storeroom Function Lock |
| F11 - DORMITORY: Latch by knob/lever either side except when outside knob/lever locked by stop-button or projected deadbolt. Deadbolt by key either side. Inside knob/lever retracts latch and deadbolt simultaneously leaving outside locked. Deadbolt deadlocks latch. |  |
View FA Dormitory Function Lock |
| F33 - DORMITORY: Latch by knob/lever either side except when projected dead bolt locks outside knob/lever and deadlocks latch. Deadbolt and latch by key either side. Inside knob/lever retracts latch and deadbolt simultaneously, automatically unlocking outside knob/lever. |  |
View FX Dormitory Function Lock |
KEYLESS
| ANSI # | DESCRIPTION | LINK TO PART # |
|---|---|---|
| F01 - PASSAGE: Latch by knob/lever either side. |  |
View N Passage Function Lock |
| F02 - BATHROOM: Latch by knob/lever either side. Deadbolt by turnpiece inside. Deadbolt deadlocks latch. To unlock from outside, remove emergency button, insert emergency key in access hole & turn. Optional coinkey assembly available. |  |
View L Bathroom Function Lock |
| F19 - PRIVACY: Latch by knob/lever either side except when projected deadbolt locks outside knob/lever and deadlocks latch. Deadbolt by turnpiece inside. Inside knob/lever retracts latch and deadbolt simultaneously, automatically unlocking outside knob/lever. To unlock from outside, remove emergency button, insert emergency key in access hole and turn. Optional coinkey assembly available. |  |
View LF Privacy Function Lock |
| F31 - EXIT: Latch by knob/lever inside, no trim outside. Auxiliary latch deadlocks latch. None removable blank trim: F26 option |  |
View EX Exit Function Lock |
