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 5910-01-207-3566
NSN 5835-00-632-8621
NSN 5910-01-481-6737
NSN 6645-01-554-0609
NSN 6150-01-430-5558
NSN 7035-01-026-0117
NSN 5915-01-014-7877
NSN 5990-01-327-1558
NSN 5999-00-222-8606
NSN 5960-01-595-2614
NSN 5905-01-340-9844
NSN 6650-01-268-9702