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 7035-01-381-7622
NSN 6320-01-449-1014
NSN 6645-00-376-4829
NSN 6685-01-009-0493
NSN 5925-00-553-9899
NSN 5895-01-468-5582
NSN 6110-01-059-7276
NSN 6110-00-862-3097
NSN 6650-01-649-0228
NSN 6110-01-027-2853
NSN 6220-00-937-5906
NSN 5905-00-054-3282