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 5925-00-760-0956
NSN 5990-01-578-5382
NSN 5925-00-072-9933
NSN 5895-00-518-4954
NSN 2925-00-986-2055
NSN 6620-01-494-9858
NSN 5935-01-441-8857
NSN 5935-01-196-7114
NSN 6110-01-020-2711
NSN 5935-00-878-1828
NSN 5960-01-113-3977
NSN 6105-00-314-6970