ND-Series Service Manual

Lock assembly drawing index
Schlage • ND-Series service manual • 7
Function ANSI A156.2, 1996, Series 4000, Grade 1 Trim Chassis
Schlage ANSI Description Outside function Inside function Page Page
ND25 Exit lock with blank
plate
Blank plate. Inside lever is always
unlocked and is always
free for immediate egress.
58 20
ND25 x 70 Classroom exit
lock† per
XN12-004
Blank plate. Key locks or unlocks lever. 59 21
ND25 x 80 Storeroom exit
lock† per XN12-005
Blank plate Key retracts latch. Lever is
fixed.
60 22
ND30 Patio lock per
XN12-007
Push-button locks outside
lever. Turning inside lever
or closing door releases
button.
61 23
ND40 F76 Bath/bedroom
privacy lock
Can be opened from
outside with small
screwdriver or
emergency release tool.
Push-button locks outside
lever. Turning inside lever
or closing door releases
button.
Inside lever is always free
for immediate egress.
62 23
ND44 Hospital privacy
lock
Unlocked from outside
by turning emergency
turn-button.
Push-button locks outside
lever. Turning inside lever
or closing door releases
button.
Inside lever is always free
for immediate egress.
63 23
ND50 F82 Entrance/oce
lock*
Lever is unlocked with
key when push-button is
pushed.
Push-button locks outside
lever. Turning inside lever
releases button. Inside
lever is always free for
immediate egress.
64 24
ND53 F109 Entrance lock* Key retracts latch when
button pushed and
turned. Lever is unlocked
with key when push-
button is pushed.
Turn/push-button:
Pushing and turning
button locks outside lever
until manually unlocked.
Push-button: pushing
button locks outside lever
until unlocked by turning
inside lever. Inside always
free for immediate egress.
65 24
ND60 F88 Vestibule lock* Latch retracted by key
when locked by inside
key.
Inside lever is always
unlocked and is always
free for immediate egress.
Key locks and unlocks
outside lever.
66 25
ND60 Vestibule lock with
closed lever
outside per
XN12-001
Same as ND60 except
outside lever is closed.
Same as ND60. Inside
lever is always fee for
immediate egress.
67 25
Note: Any function with a deadlatch locks the latchbolt when door is closed. See page 5 for identification.
* Available with Small Format Interchangeable Core.
† Caution: These 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.