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 2Z\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 2Z\,”
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
1C\,” 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 1Z\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.