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 5965-01-371-1297
NSN 6320-01-204-2922
NSN 5930-01-302-7039
NSN 6320-00-857-4073
NSN 5920-01-597-2024
NSN 6130-01-386-2894
NSN 5965-01-499-9699
NSN 5975-01-190-6917
NSN 5998-00-465-9572
NSN 6220-01-218-0847
NSN 5835-01-352-6725
NSN 6610-01-167-8747