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 5895-01-086-7596
NSN 6685-01-104-9591
NSN 6110-00-659-3348
NSN 5945-01-381-1356
NSN 5985-01-024-9640
NSN 6150-01-373-6503
NSN 6130-01-189-9975
NSN 5975-01-217-3421
NSN 6240-00-578-7422
NSN 5990-01-324-7529
NSN 6145-01-591-6782
NSN 5915-00-426-6139