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 5925-00-155-2587
NSN 5960-01-416-6187
NSN 6105-01-625-5032
NSN 6685-01-606-0994
NSN 5925-00-160-4747
NSN 6240-01-586-7621
NSN 5935-01-583-1533
NSN 5935-00-455-9595
NSN 5895-01-546-0679
NSN 5999-00-703-2008
NSN 6135-01-652-4521
NSN 6150-00-198-1074