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 5905-00-821-7920
NSN 6145-01-364-0074
NSN 6135-00-050-7189
NSN 5835-00-669-7074
NSN 6645-00-072-9243
NSN 6240-01-228-9595
NSN 6220-00-918-5599
NSN 6320-00-025-9910
NSN 5945-00-596-2665
NSN 5930-01-406-3203
NSN 5996-00-552-9902
NSN 6145-00-168-1296