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 6150-00-934-1470
NSN 5950-01-358-8957
NSN 5935-00-995-0015
NSN 6685-00-471-4125
NSN 5965-01-026-9865
NSN 5999-01-627-6335
NSN 5925-01-359-4814
NSN 5999-00-322-9993
NSN 6650-01-449-3865
NSN 5999-01-601-9193
NSN 6130-01-149-0623
NSN 6145-01-202-0695