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 6105-00-402-2355
NSN 5920-01-004-4107
NSN 6610-00-443-8910
NSN 5950-00-288-0066
NSN 5999-01-423-5994
NSN 6240-01-468-6408
NSN 5996-01-179-9951
NSN 5990-00-566-5987
NSN 2925-01-453-1606
NSN 5930-01-473-2395
NSN 5985-01-098-2965
NSN 6145-01-025-6514