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 6610-01-433-6935
NSN 5930-01-113-8291
NSN 6110-00-781-7842
NSN 6620-01-556-1695
NSN 6240-01-621-7646
NSN 5960-01-152-7740
NSN 5910-00-990-8517
NSN 6220-00-969-9137
NSN 6685-01-379-9882
NSN 6110-00-066-9614
NSN 5895-01-054-3303
NSN 5945-01-471-0410