Special Features:

Cross sectional shape does not have the u-shaped groove at its center. Item is beveled on 2 corners 1.04 long x 45 degrees +/- 0.50 degrees. Nuclear, biological and chemical survivability critical item. Design changes to or proposed substitutions of nbc csci's must be evaluated by engineering activity responsible for nbc contamination survivability prior to implementation.

Properties:

An item fabricated from nonmetallic special shaped section. It may be (1) formed to a specific shape with or without joints, (2) a single piece whose ends have been secured together to form a specific shape, or (3) a straight item fabricated to a specific length for a specific application with end cuts or joints. Items, except for molded corners, slot(s), press fit buttons, and the like must be of one continuous cross section. It is specifically designed for use in applications where there is no relative motion between joined parts. Excludes bushing, nonmetallic; packing, performed; pad, cushioning;and seal, plain. For straight items with square end cuts and without mounting hole(s), slot(s), or press fit buttons, see nonmetallic special shaped section.