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 6320-01-090-8296
NSN 5930-01-221-3404
NSN 5855-00-138-2386
NSN 6620-01-580-9746
NSN 6240-01-385-7079
NSN 7035-01-532-8077
NSN 6620-01-441-0240
NSN 5910-01-595-7670
NSN 6110-01-209-0259
NSN 6145-00-010-1425
NSN 5905-01-465-7863
NSN 5835-00-870-7034