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 7035-00-177-1557
NSN 6645-01-172-4477
NSN 6145-01-543-0124
NSN 6650-01-146-5000
NSN 6110-01-382-9706
NSN 5996-01-337-1120
NSN 6650-00-736-8456
NSN 5935-01-265-4119
NSN 5950-00-708-1502
NSN 5950-01-252-1736
NSN 5915-00-144-5548
NSN 5985-01-444-4392