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 5905-00-311-8573
NSN 5999-00-250-5150
NSN 2925-00-304-1997
NSN 6150-00-919-1601
NSN 5905-00-251-0537
NSN 5998-01-392-4981
NSN 6150-01-531-0247
NSN 6110-01-590-8105
NSN 6135-01-451-2120
NSN 6220-01-027-1294
NSN 5999-00-466-3226
NSN 6110-01-251-6842