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 6610-00-277-7206
NSN 5996-01-230-4157
NSN 6150-01-514-0095
NSN 5895-00-447-9688
NSN 5990-00-064-7839
NSN 5905-01-447-8612
NSN 6110-00-435-8007
NSN 5835-00-834-1286
NSN 6135-01-455-2233
NSN 5960-01-364-1318
NSN 7035-01-658-1623
NSN 6150-01-270-8237