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 6650-00-518-5194
NSN 2925-01-094-4771
NSN 5930-00-740-9384
NSN 6645-00-134-1531
NSN 6685-01-297-4367
NSN 5835-01-235-9051
NSN 5925-00-708-8769
NSN 6130-01-465-8009
NSN 5905-01-212-9683
NSN 5950-00-552-1325
NSN 5996-01-175-7319
NSN 6130-01-393-1238