Replacing a CompX National or CCL disc tumbler lock? Use the tables below to find the exact Olympus Lock part number — matching cylinder length, application, and keying.
Olympus Lock Cascade Series locks are manufactured to the same cylinder lengths and keyway family as CompX National disc tumbler locks, making them a direct drop-in swap.
| CompX National Item | Type | Length | Olympus Lock Item | Type | Length |
|---|---|---|---|---|---|
| C8051 | Cam Lock | 7/16" | 951 | Cam Lock | 7/16" |
| C8052 | Cam Lock | 5/8" | 952 | Cam Lock | 5/8" |
| C8054 | Cam Lock | 15/16" | 954 | Cam Lock | 15/16" |
| C8053 | Cam Lock | 1-3/16" | 953 | Cam Lock | 1-3/16" |
| C8055 | Cam Lock | 1-7/16" | 955 | Cam Lock | 1-7/16" |
| C8060 | Cam Lock | 1-3/4" | 960 | Cam Lock | 1-3/4" |
| C8061 | Cam Lock | 2" | 961 | Cam Lock | 2" |
| C8703 | Deadbolt Drawer | 15/16" | 973 | Deadbolt Drawer | 15/16" |
| C8704 | Deadbolt Door | 15/16" | 974 | Deadbolt Door | 15/16" |
| C8705 | Deadbolt Drawer | 1-3/16" | 975 | Deadbolt Drawer | 1-3/16" |
Olympus Lock CCL Series deadbolt locks are keyed to match CCL 02066 and 02067 disc tumbler locks, so existing keys and keying schedules carry over.
Cascade Series items 951–961 are direct drop-in replacements for CompX National cam locks C8051–C8061, matching cylinder length and keyway family.
Cascade Series items 973, 974, and 975 replace CompX National deadbolts C8703, C8704, and C8705, matching barrel length and drawer/door application.
CCL Series items 266A/266B replace the CCL 02066 deadbolt, and 267A replaces the CCL 02067 deadbolt, matching the original CCL keying.
CompX® and National® are trademarks of CompX International Inc. CCL® is a trademark of its respective owner. Olympus Lock, Inc. is not affiliated with, endorsed by, or sponsored by either company — part numbers are referenced here solely to help identify compatible, cross-referenced replacements.