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 6685-00-125-4472
NSN 5999-01-465-0081
NSN 6110-00-467-7151
NSN 5960-01-054-3752
NSN 5975-01-448-0139
NSN 6110-01-568-3863
NSN 5999-01-604-2194
NSN 5998-01-403-2586
NSN 6135-01-555-4283
NSN 5930-01-202-9478
NSN 5835-01-090-0784
NSN 6110-01-030-8283