2540-13-119-5638

9905-25-131-0720 9905251310720 251310720 is an object for the display of information, instruction, warning, or direction, by means of words, symbols, colors, or shapes. may be luminous or reflective, but shall not be internally illuminated. excludes sign, interior illuminated, electric. for self-illuminous items, see marker, self-luminous.

2530-15-131-0720 2530151310720 151310720 PARAPOLVERE

2990-12-131-0720 2990121310720 121310720 TUBE

1250-00-131-0720 1250001310720 001310720

3120-01-131-0720 3120011310720 011310720 is a tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. it must have a visible or detectable means of lubrication or be self-lubricated. the over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. see also bushing, sleeve; spacer, sleeve; and washer (as modified). excludes pin, hollow.