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 5965-01-201-1580
NSN 5930-01-014-8508
NSN 5925-00-786-8123
NSN 5965-00-834-6298
NSN 6150-01-344-0326
NSN 6320-00-036-3688
NSN 6105-01-132-4159
NSN 7035-00-104-7613
NSN 6110-01-340-7269
NSN 5920-01-625-3819
NSN 7035-01-654-7427
NSN 5950-01-026-0440