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 6135-01-560-8130
NSN 5835-01-614-1900
NSN 5930-01-466-3069
NSN 5990-00-067-6791
NSN 5935-01-170-4884
NSN 6150-01-300-3517
NSN 5945-01-141-6697
NSN 5960-00-583-1017
NSN 7035-00-300-3208
NSN 6105-00-456-1433
NSN 5985-01-295-2893
NSN 5855-01-504-2646