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 5895-00-011-7880
NSN 6110-01-054-5774
NSN 5920-01-529-0984
NSN 5925-01-267-4587
NSN 6145-01-101-0890
NSN 5950-01-109-6010
NSN 6610-01-156-0810
NSN 5935-01-599-2921
NSN 5985-01-209-2801
NSN 6135-01-658-7467
NSN 6610-01-429-7267
NSN 5935-00-393-3720