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 5950-01-105-5877
NSN 5960-01-512-0233
NSN 6320-01-036-2598
NSN 5915-01-372-8224
NSN 5950-01-429-0243
NSN 6110-01-442-8080
NSN 6320-00-519-0770
NSN 5930-01-331-7752
NSN 5985-00-636-1581
NSN 5990-01-123-6557
NSN 5945-01-047-7694
NSN 6220-01-300-9448