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 5999-00-143-1818
NSN 6220-01-641-1319
NSN 5895-01-326-0749
NSN 6685-01-415-6424
NSN 6240-01-023-2013
NSN 5925-01-518-5552
NSN 6150-01-432-3591
NSN 5915-00-446-4143
NSN 6145-00-643-4962
NSN 6240-01-384-8802
NSN 5895-01-019-9339
NSN 5895-01-357-9892