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 5990-00-452-9194
NSN 5910-01-245-8757
NSN 5945-01-249-7414
NSN 5905-01-212-5014
NSN 6240-01-250-3574
NSN 6110-00-553-0285
NSN 5855-01-229-3864
NSN 5965-01-005-0341
NSN 5915-01-190-0084
NSN 4140-00-938-8664
NSN 6240-00-404-7935
NSN 6110-00-456-2058