Labyrinth grooves on inside diameter
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 6110-01-039-6495
NSN 6220-01-517-7186
NSN 5935-01-250-6122
NSN 2925-01-041-8201
NSN 5945-00-723-5832
NSN 6105-00-337-3493
NSN 5895-01-535-7300
NSN 5930-00-691-1044
NSN 6220-01-065-3765
NSN 5999-00-276-9299
NSN 6685-01-190-5458
NSN 5935-01-467-3211