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 7035-01-444-4240
NSN 6645-00-574-9712
NSN 6130-01-142-4522
NSN 6645-01-201-5802
NSN 6220-00-108-8598
NSN 6105-01-010-3512
NSN 5950-01-643-5511
NSN 6135-01-308-5688
NSN 5965-01-461-2850
NSN 5960-01-487-6436
NSN 6650-01-157-1667
NSN 5895-00-167-1117