4720-22-610-9451

7520-01-103-8591 7520011038591 011038591 is a pair of items having a base and an upright support. used to hold books and/or folios in an upright position on a desk, shelves or the like.

5670-00-103-8591 5670001038591 001038591 VENTILATOR,WINDOW

1730-99-103-8591 1730991038591 991038591

5330-15-103-8591 5330151038591 151038591 is a circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. it may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. excludes felt items but includes multimaterial items in which one of the materials is felt. for solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. for rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. for circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

8405-21-103-8591 8405211038591 211038591