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 5945-01-077-7140
NSN 5999-01-350-9103
NSN 6220-01-561-5247
NSN 7035-01-026-0117
NSN 6645-01-486-7029
NSN 5835-01-193-6192
NSN 6610-00-626-8523
NSN 2925-01-504-3058
NSN 6320-01-054-3046
NSN 6110-00-165-3848
NSN 5996-00-222-6049
NSN 5999-01-279-1070