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 6130-01-313-2596
NSN 5996-00-466-9781
NSN 5835-01-026-6006
NSN 5910-01-489-0966
NSN 6645-01-131-9152
NSN 6150-01-295-5951
NSN 6150-01-429-0908
NSN 2925-00-759-5465
NSN 6650-00-959-6869
NSN 6685-00-295-0824
NSN 5925-00-175-6612
NSN 5965-01-633-4899