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 5975-00-107-4283
NSN 6150-01-141-6014
NSN 6620-00-100-4517
NSN 5905-01-487-8868
NSN 5975-00-908-1556
NSN 5985-01-101-7888
NSN 5910-00-130-5460
NSN 5925-00-226-1155
NSN 5835-00-880-6477
NSN 6610-00-339-2981
NSN 5998-01-311-0885
NSN 6110-01-335-6815