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 5945-01-150-1901
NSN 5998-01-287-2090
NSN 6645-01-039-0058
NSN 5915-00-367-2854
NSN 5920-01-439-2898
NSN 6130-00-186-0737
NSN 6645-00-130-8464
NSN 5960-01-391-4701
NSN 6645-00-256-4072
NSN 5960-01-632-6576
NSN 5990-01-104-6703
NSN 5975-00-273-0790