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 6610-00-986-2095
NSN 5920-01-034-2473
NSN 5960-01-558-7787
NSN 5985-01-475-7004
NSN 6685-00-369-3289
NSN 5998-01-452-0640
NSN 5925-01-379-7484
NSN 5999-00-883-5921
NSN 6145-01-281-7222
NSN 5975-01-076-6697
NSN 5990-00-933-8747
NSN 5925-01-098-2136