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 6110-01-196-0623
NSN 5999-01-366-8116
NSN 6320-01-521-1764
NSN 6685-00-592-4713
NSN 5990-01-114-4544
NSN 6220-01-323-7056
NSN 5910-01-332-7245
NSN 5905-00-329-6968
NSN 5950-01-643-6895
NSN 5975-01-055-6866
NSN 5905-01-463-8665
NSN 6645-01-281-7254