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 5950-01-392-9317
NSN 6105-00-188-8796
NSN 5930-00-882-3783
NSN 5935-01-623-7926
NSN 5990-00-254-4825
NSN 6610-00-587-3260
NSN 5920-01-397-2754
NSN 6135-01-148-8531
NSN 5855-00-832-9341
NSN 5960-00-190-5817
NSN 5935-01-339-5585
NSN 5950-01-355-3192