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 7035-01-411-6062
NSN 5999-01-570-1204
NSN 5920-01-117-6258
NSN 4140-01-050-5764
NSN 5905-01-331-6270
NSN 5996-01-530-9237
NSN 5915-01-398-9831
NSN 5999-01-101-4141
NSN 5975-00-535-9720
NSN 6620-01-615-0596
NSN 5835-01-005-8564
NSN 5930-00-837-1245