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 5910-01-437-8035
NSN 5915-01-450-0012
NSN 6320-01-006-6138
NSN 5990-01-463-5400
NSN 5960-01-023-1178
NSN 4140-01-462-3770
NSN 6240-00-950-1727
NSN 4140-01-298-1073
NSN 5945-01-543-6322
NSN 6135-00-080-9176
NSN 6105-01-215-1174
NSN 5835-01-014-4574