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 6645-01-025-1002
NSN 5990-01-017-3590
NSN 6645-00-591-8036
NSN 5930-00-060-9987
NSN 5925-01-272-4330
NSN 5930-01-215-4788
NSN 6610-00-314-2605
NSN 5945-01-374-0192
NSN 5905-01-307-8381
NSN 6110-01-391-6067
NSN 6150-01-474-5523
NSN 2925-01-446-6976