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 5835-01-027-1828
NSN 6645-01-156-4330
NSN 5925-00-275-7599
NSN 5835-00-807-5632
NSN 6620-01-652-4349
NSN 5998-01-230-4541
NSN 5930-00-287-6356
NSN 6685-01-340-1970
NSN 6620-01-210-7069
NSN 5975-01-424-6359
NSN 5925-01-567-7521
NSN 6135-00-985-7846