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 5905-00-255-9504
NSN 6130-01-440-5847
NSN 5895-01-053-6273
NSN 4140-00-289-9263
NSN 5996-00-366-0233
NSN 5930-01-005-2648
NSN 6135-00-548-2765
NSN 5895-01-487-6484
NSN 2925-01-068-3844
NSN 6110-01-089-6260
NSN 6610-00-175-7250
NSN 6220-01-232-1064