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 5985-01-436-6262
NSN 5965-00-785-5100
NSN 5960-01-009-5983
NSN 6685-01-448-9163
NSN 6620-01-006-4899
NSN 6610-00-038-3423
NSN 5999-00-335-8486
NSN 6240-01-339-0069
NSN 6145-01-151-9955
NSN 6610-01-140-2646
NSN 5905-01-089-1490
NSN 5990-01-507-7495