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National C9300 Mailbox Lock for Non-USPS Delivered Sites


Product Description



  • For private delivery postal mailboxes only
  • For colleges, universities, commercial buildings, mail/parcel centers 
  • Interior or exterior, pedestal-mounted or in-wall boxes
  • Screw mounted 
  • Hardware not included 
  • Commercial equivalent of USPS 306-B 
  • 90 degree counter-clockwise cam turn to open 
  • Key removable in locked position 
  • Supplied with cam assembled and three keys 
  • Keyed Different

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