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 6105-01-096-3330
NSN 5905-01-561-5032
NSN 7035-01-328-7448
NSN 5965-01-303-5724
NSN 5910-01-440-9558
NSN 5975-01-124-5555
NSN 5965-01-441-9505
NSN 6110-01-549-0410
NSN 6110-01-486-7447
NSN 5935-00-603-4214
NSN 6150-01-003-8940
NSN 6110-00-880-6376