A-A-704G
brazing shall be neat, uniform and adequate to insure rigidity and strength.
Lock. The cabinet shall have a gang lock, locking all drawers. The locks shall be of the disk or pin tumbler type, having not less than four disk or pin tumblers, and shall be operated by a grooved key. The locks shall have not less than 125 key changes. No one key shall open more than the lock on one unit up to a minimum of 125 units consecutively produced. Duplicate keys shall be furnished for each box. The lock shall not be removable without the use of tools or manipulation of the lock bar.
Drawers. Drawers shall be welded construction. They shall have full width inner heads that cover the latching/pull mechanism. The drawers shall have follower blocks which is located in the middle or upper portion of the drawer sides. The follower block shall be adjustable throughout the full depth of the drawer and shall engage solidly. Suspensions shall be progressive with all bearings and/or ball bearing rollers which operate quietly and smoothly. A permissible maximum of 4 plain rollers (2 per side) per suspension are permissible. Drawers shall be removable but designed to prevent unintentional removal. Clear drawer dimensions shall be as specified Table I.
TABLE I- Minimum clear inside drawer dimensions
All dimensions are in millimeters
A tolerance of + mm is allowed
|
Size |
Height |
Width |
Depth |
|
1- Legal |
254 |
388 |
660 |
|
2- Letter |
254 |
305 |
660 |
Label holder. A label holder shall be provided on each drawer.
Latch. An automatic latching device shall be provided to prevent unintentional opening of the drawers. The latch shall be the lift-type located along the top, inside edge of the pull, a thumb latch or hold-in-catch in the suspension. Alternatively the latching mechanism may be of the positive interlock type.
Pulls. Pulls or recessed pulls shall be used. The drawer latch and label holder shall be integral with the pull when recessed pulls are used. The fingertip shall be located below the label holder. It shall provide a comfortable hand grip, rounded and smooth. The finish shall be polished chrome plating on steel,
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