AA-C-2859A
3.3.5.1 Door handle. The door shall have a handle to provide easy and convenient operation to open and close the door. The handle may be integral with the throw-bolt mechanism. The handle shall be of any of the materials specified in 3.2.2, and of sufficient strength to withstand hard usage. Exterior surfaces shall be finished by a method to eliminate roughness and sharp edges. The handles shall be securely and firmly staked to the door in a manner to withstand hard daily usage. The door handle shaft shall extend farther than the lock dial to protect the lock from damage.
3.4 Lock and locking mechanism. The cabinet shall be locked by a positive bolt mechanism, which incorporates a detent feature to hold the lock bolts in a retracted position when the door is open. A changeable combination lock shall be mounted in the door to control the locking of the entire cabinet. The lock shall be tested as an integral component of the cabinet. The lock shall be in accordance with Federal Specification FF-L-2937.
3.4.1 Combination lock installation. The lock's dial ring shall be mounted so as to be flush to the front surface of the door front. The attachment of the dial ring to the door shall be firm and secure so that there is no movement or side play. The lock case shall be securely attached to the door with screws which shall be retained by lock washers or other suitable and effective means so that there is no movement or side play. The lock shall not be changed or altered in any manner from the formation supplied by the lock manufacturer.
3.4.2 Locking mechanism and lock mounting drawings. Upon the specific written request of the purchaser, the manufacturer of the cabinet shall supply complete and exploded view drawings of the cabinet's locking mechanism and lock mounting, with individual parts indexed.
3.5 Channel base assembly. The channel base assembly for the Style A cabinet shall consist of two channel formed, removable steel bases attached to the cabinet's bottom. One base shall extend from front to back on the left underside of the cabinet, the other from front to back on the right underside. The bases shall be 102 mm high and 127 mm wide, + 6.4 mm. The side of the base which bears on the floor surface shall have a return flange from each side so as to provide a lengthwise slot approximately 51 mm wide. The slot may extend the full length of the base or it may run to within approximately 51 mm from each end of the base. The outer edges of the base shall be recessed approximately 12.7 mm from the side, front, and
back edges of the cabinet base. The front and rear ends of the bases shall have metal caps which shall be removable when it is desired to anchor the cabinet to the floor. Attachment of the base assembly shall not weaken the tamper resistance quality of the cabinet and the assembly shall withstand the test in 4.4.8.3.
3.6 Pretreatment and finishing.
3.6.1 Pretreatment. All exterior and interior ferrous metal surfaces of the cabinet shall be treated for painting in accordance with any of the types in TT-C-490.
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