Made from non-asbestos material
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 2925-01-265-2853
NSN 5999-01-454-6187
NSN 6320-01-571-4530
NSN 7035-01-599-1694
NSN 5920-01-369-9518
NSN 6685-01-412-4005
NSN 5960-01-009-5983
NSN 6105-01-584-8305
NSN 7035-01-010-4257
NSN 6650-01-587-2243
NSN 6135-01-071-4923
NSN 5996-01-307-2756