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 5985-00-535-3508
NSN 7035-01-315-9754
NSN 5930-00-399-5069
NSN 5930-00-216-7466
NSN 6620-01-542-8709
NSN 5930-01-415-7150
NSN 6105-00-480-4831
NSN 5910-01-100-3390
NSN 7035-01-113-6492
NSN 5915-01-659-1612
NSN 6645-01-359-1487
NSN 5998-00-602-8803