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 6685-01-415-0972
NSN 6685-00-361-9797
NSN 5905-00-248-0835
NSN 6110-00-190-7523
NSN 6610-00-195-7517
NSN 5998-00-420-4275
NSN 6135-01-282-4326
NSN 5999-00-362-3332
NSN 5975-00-262-0896
NSN 5930-00-257-5758
NSN 5930-00-533-9792
NSN 6320-01-422-1212