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 6130-01-187-4654
NSN 5960-01-260-7288
NSN 5910-01-473-0327
NSN 6240-01-010-2991
NSN 5985-00-985-9173
NSN 6610-00-654-9877
NSN 5985-00-389-7389
NSN 2925-00-101-7972
NSN 5915-01-596-6467
NSN 5945-01-515-2423
NSN 7035-00-624-7265
NSN 5895-01-634-0630