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.
Classification: Gaskets,washers & other seals
NSN 6110-01-241-7560
NSN 6110-00-214-9186
NSN 5910-01-640-6820
NSN 5960-01-210-9762
NSN 5996-01-237-9644
NSN 6110-00-038-7230
NSN 6110-01-434-1486
NSN 6135-00-307-6998
NSN 6610-01-481-0469
NSN 5945-00-026-1216
NSN 6135-00-120-1034
NSN 5996-00-495-3086