Chassis
Schlage • ND-Series service manual • 33
Corridor lock
ND73
37
23
10
29
38
24
a
a
a
a
a
52
53
22
2
1
30
4
6
a
Apply light film of 100% synthetic grease on surfaces with brush.
No. Description Part number
1 Slide spring C503-019
2 Restoring slide catch C604-187
4 Slide catch spring C604-191
6 Chassis screw L583-454
10 Keycam assembly N123-010
22 Spindle N523-013
23 Outside housing 24088544
No. Description Part number
24 Inside hub 24085037
29 Slide N523-149
30 Slide clip N523-025
37 Adjustment plate N523-054
38 Spindle N523-177
52 Gauge insert 23988066
53 Insert, inside hub N523-160*
* Not sold separately as a part.
Designates new parts or assemblies.