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 6150-00-971-2116
NSN 6130-01-528-9212
NSN 6130-01-426-6859
NSN 5920-01-534-3806
NSN 5915-00-312-2652
NSN 6145-01-363-2925
NSN 5945-01-302-4328
NSN 5910-01-442-6752
NSN 6130-01-474-5190
NSN 5930-00-189-2409
NSN 6620-01-215-0470
NSN 5990-00-281-4164