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 6150-01-478-4921
NSN 5915-00-274-2282
NSN 6130-01-256-6543
NSN 5920-00-466-3950
NSN 5935-01-011-7202
NSN 5905-00-301-5809
NSN 7035-01-398-9581
NSN 5996-01-486-3733
NSN 5835-01-351-2561
NSN 6220-00-669-5623
NSN 5835-00-930-8500
NSN 5835-00-170-5238