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 5895-00-269-2329
NSN 5855-01-222-1242
NSN 6105-00-114-2165
NSN 5975-00-111-1226
NSN 5920-01-157-9471
NSN 5985-01-381-5448
NSN 5855-01-130-1501
NSN 6685-01-463-2485
NSN 5975-00-231-4841
NSN 7035-01-194-9482
NSN 6130-01-630-5480
NSN 6150-01-369-9397