Lock assembly drawing index
Schlage • ND-Series service manual • 7
Lock assembly drawing index
Function ANSI/BHMA A156.2, 2011, Series 4000, Grade 1 Trim Chassis
Schlage ANSI Description Outside function Inside function Page Page
ND10 F75 Passage latch Lever is always unlocked.
Lever is always unlocked and
is always free for immediate
egress.
With available request-to-exit
(RX) feature.
52 14
ND12 F89 Exit lock Lever is always fixed.
Lever is always unlocked and
is always free for immediate
egress.
With available request-to-exit
(RX) feature.
54
55
16
17
ND12EL Exit lock —
electrically locked
(fail safe)
Lever is continuously
locked electrically until
unlocked by switch or
power failure.
Auxiliary latch deadlocks
latchbolt when door is
closed.
Lever is always unlocked and
is always free for immediate
egress.
With available request-to-exit
(RX) feature.
56
57
18
19
ND12EU Exit lock—
electrically
unlocked (fail
secure)
Lever is continuously
locked mechanically
until unlocked by electric
current.
Auxiliary latch deadlocks
latchbolt when door is
closed.
Lever is always unlocked and
is always free for immediate
egress.
With available request-to-exit
(RX) feature.
56
57
18
19
ND170 Single dummy trim Inactive trim for one side
of door. Use for door pull
or as matching inactive
trim.
58 20
ND25 F89 Exit lock with blank
plate
Blank plate.
Inside lever is always
unlocked and is always free
for immediate egress.
59 21
ND25 x 70 Classroom exit
lock
Specify per
XN12-004
Blank plate.
Key locks or unlocks lever. 60 22
ND25 x 80 Storeroom exit
lock
Specify per
XN12-005
Blank plate.
Key in fixed inside lever
retracts latch.
61 23
Note: Any function with a deadlatch locks the latchbolt when door is closed. See page 5 for identification.
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.
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