CompX USPS C9100, C9200 Mailbox Lock for CBU & 4C Type Mailboxes

Application C9100 & C9200 are the only mailbox locks approved by USPS for 4C (CBU) mailboxes.USPS specification “USPS-L-1172C” for USPS-STD-4C mailboxes for exterior pedestal-mounted neighborhood boxes. Keyway dust shutter for lock protection. Clip mounted. Operation C9200 operates counterclockwise. Key removable in locked position only. Keying Available keyed differently only (2,000 changes). Packaging Includes: a spring clip, mounting nut and (3) keys. C7120 heavy duty cam sold separately. Technical Specifications Keying: KD Additional Details CompX National mailbox lock for USPS approved architectural mailboxes, on interior architectural mailboxes with USPS specification USPS-L-1172C, 90 degree CCW rotation, key out in locked position only, keyed different, cam not included Resources Instruction Sheet Download