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 5965-00-387-6880
NSN 5965-00-463-3929
NSN 5990-01-116-2181
NSN 7035-01-215-7764
NSN 7035-00-420-1310
NSN 5999-01-044-3196
NSN 6620-00-827-1611
NSN 5935-00-849-1229
NSN 6145-01-327-0767
NSN 5999-01-634-0576
NSN 7035-00-079-7189
NSN 5990-01-045-7754