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 5915-00-006-6369
NSN 6110-00-244-1354
NSN 5950-00-518-2814
NSN 5855-00-237-4088
NSN 5920-00-166-5050
NSN 6320-00-070-4544
NSN 5960-01-649-1341
NSN 5855-01-468-9822
NSN 5935-01-210-6014
NSN 5998-00-982-6049
NSN 2925-00-468-5273
NSN 6610-01-010-3159