FUNCTION FUNCTION NO.
OUTSIDE
INSIDE
FUNCTION DESCRIPTION ANSI NO.
Entry / Office
81
Latchbolt operated by lever from either side
Outside lever locked by push button from inside
Unlocked by key from outside or rotating inside lever
When outside lever locked by push and turn button from inside, key from outside or rotating inside lever retracts latch,
does not unlock outside lever
F81
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Office
82
Deadlocking latch bolt operated by lever from either side except when outside lever is locked by push button or other locking device on inside. When outside lever is locked, operating key in
outside lever or operating inside lever unlocks push button or other locking device and retracts latch bolt. Closing door does not release push button or other locking device.
F82
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Classroom
84
Latchbolt operated by knob from each side
Outside knob locked or unlocked by key from outside
Inside knob always operates latch
F84
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Storeroom
86
Latch operated by rotating inside lever or key in outside lever
Outside lever always fixed
F86
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Apartment or Exit
91
For office or apartment building entrance doors or lavatory doors or Exit n Deadlocking latchbolt
Either lever operates latchbolt
Key in outside lever operates latchbolt
Should be used only in offices or rooms with multiple entries
F88
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Privacy

Bedroom / Bathroom

76
Latchbolt operated by lever from either side
Outside lever locked by push button on inside
Unlocked by emergency release on outside,
rotating inside lever, or closing door
F76
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Passage

Hall / Closet

75
Latchbolt operated by lever from either side at all times
F75
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Communicating
80
Latchbolt operated by lever from one side at all times
F80
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Single Dummy
01
Pull lever one side
No mechanical operation
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