A-A-2811
Posts. Posts for Class 1 binders (top and bottom
loading) shall be nylon or wire fully encased in plastic, at the option of the
manufacturer (see below). Nylon posts for the Class 1 binder shall have both
ends tapered. Nylon posts for the class 2 binder (top loading) shall be nylon
with one end tapered and a slotted head on the opposite end. The diameter of
the head shall be larger than that of the post in accordance with good
commercial practice. When heads of the posts are recessed in the binder, slot
shall be designed and construed in a manner to permit tightening or removal of
posts. Tightening or removal of posts shall be interpreted to mean by means of
a small screwdriver or other applicable device. Posts shall be flexible and
sufficiently stable so as not to loosen in the binding mechanism nor break or
take a permanent set when compressed by the locking device(s). Replacement
posts shall be furnished, as specified (see 6.c).
Nylon Posts . Nylon posts shall be 3.18 f 0.10 mm (0.125 ±
0.004)” in diameter, and shall conform to ASTM D 789.
Wire posts. The posts shall consist of at least seven strands of No. 22
annealed, galvanized wire encased in plastic in accordance with normal
commercial practice. The plastic shall completely encase the wire, including
the ends. The posts shall be not less than 2.84 mm (0.112”) nor more than 3.30
mm (0.130”) in outside diameter.
Suspension (Hanger) Bars. Suspension (hanger) bars shall be designed for
use with binders racks or cabinets. Bars shall be compatible for use with the
binder rack or cabinet specified (see 6.c).
Label Holder and Label. When specified, a label holder and label shall
be provided in accordance with normal commercial practice, except that label
holders shall not be of the cellulose nitrate type. Label holders shall be of
the size and location on the binder as specified (see 6.e). Unless otherwise
specified, the label holder shall be built into, or otherwise, securely
attached to the binder and shall be nonremovable. The label holder shall be
constructed so that the label can be readily inserted, removed and in the
manner that the label will be retained and not fall out when binder is in
normal use.
Embossed Label. When specified, (see 6.e), binders shall be furnished
with an embossed label panel on the top cover. The size and location of the
label panel shall be specified (see 6.e). A gummed paper label shall be
furnished with each binder requiring a label panel.
Assembly and loading instructions. Each binder shall be furnished with
the assembly and loading instructions, located on the inner surface of
pressboard. If not contained in the binder, each
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