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c8700 series
Existing C8710 – C8735 mailbox locks:
◆ Genuine factory replacement locks for doors on architectural
mailboxes serviced by the United States Postal Service
◆ Will fit into existing Standard 4B & Standard 4B+ boxes
with “DD” hole
◆ Will not fit into new Standard 4C boxes
c9100 & c9200
◆ Only mailbox locks to meet and exceed USPS specification
“USPS-L-1172C” for USPS-STD-4C mailboxes
◆ CompX National is the only manufacturer of USPS approved
1172C locks
◆ Accommodates up to 3/16" thick cam (C7120 cam sold separately)
◆ C9100 operates clockwise; C9200 operates counter clockwise
◆ Two keyways with 2000 changes total
◆ Key code determines which key blank is needed
new! c9300 for non-
USPS delivered sites
◆ For private delivery postal mailboxes only — ideal for universities,
commercial buildings and mail/parcel centers
◆ CompX National is the only manufacturer of USPS approved 401B
(C9300) commercial replacement locks
For more information, call 864.297.6655
Copyright 2011 © CompX Security Products / 864.297.6655 / compxwaterloo.net / PO Box 200, Mauldin, SC 29662
Any companies and/or products referred to herein are marks or registered trademarks of their respective companies, owners and/or mark holders.
Registered to ISO 9001
Certificate no. 10000456
has been the USPS approved
original manufacturer
of postal locks for decades