102 • Schlage • ND-Series service manual
Parts and kits
Screws, screw packs and special parts
Screws
Part no.
Description
Door thickness Type
Size
A501-171
ND170, washer
–
Washer
–
ANSI strike screw,
C603-256
Latch and strike
screw, C603-897
N523-092
ND170, mounting screw
1
Z\x
” - 2”
POH machine
Z\v
”-20 x 2
Z\x
”
L583-133
ND170, mounting, escutcheon
–
Sheet metal
#8 X 1”
N623-030
Motor assembly
–
PFH combo
#4-40 X
C\zn
”
N523-135
RX switch
–
Hex
#2-56 X
C\,
”
N523-240
Chassis to spring cage
–
PFH combo
#8-32 x
Z\v
”
L583-454
Chassis
–
PFH
#8-32 x
C\,
”
C603-256
ANSI strike screw
–
PFH combo
12-24 X 1”
C603-897
Latch and strike screw
–
PFH combo
#8 X
C\v
”
N523-021
Spring cage screws
1
C\,
” - 2”
POH machine
#10 X 32 x 2
Z\,
”
Screw packs, standard
Special parts
Part no.
Description
Contents
Part no.
Description
B502-517
Latch and strike screws
(4) C603-897
XQ02-309* 10-013 Strike,
M\,
” flat lip
1
C\,
” Chassis
spacer, XN12-012**
N123-020
Mounting, all except ND170
(4) C603-897
XQ03-494* 10-013 Strike, 1
B\,
” - 6” lip
(2) C603-256
10-013 Strike, 6
Z\,
” - 12” lip
(2) N523-021
XQ07-351*
10-025 Strike,
M\,
” flat lip
(1) M504-271
10-025 Strike, lips
M\,
” through 6”
(except 1
C\zn
”, 1
C\,
” and 1
Z\x
”)
N123-040
Mounting, ND170
(2) L583-133
XC03-069
Extension links, backsets
over 5” - 42”
ND40 Emergency
key, 35-250
(1) N523-092
XN12-012**
Chassis spacer for 1
C\,
” door
(2 required)
(1) A501-171
35-250
Emergency key, ND40
(1) M504-271
35-251
Spanner key, ND85
C203-736
ANSI Strike
(2) C603-256
Screw packs, Torx
®
Part no.
Description
Contents
C203-311
Latch and strike (includes tool) (4) C503-766 (T-15)
C203-312
Latch and ANSI strike
(includes tool)
(2) C503-766 (T-15)
(2) L583-371 (T-20)
*
Specify lip length.
** Specify finish.