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 6220-01-068-9941
NSN 5910-00-935-8239
NSN 6645-01-124-6277
NSN 5965-00-247-4886
NSN 5985-00-866-2852
NSN 7035-00-188-6674
NSN 5985-01-312-9008
NSN 6110-01-218-2160
NSN 6320-01-538-3793
NSN 5895-00-548-9329
NSN 6150-01-421-2543
NSN 6130-01-035-9263