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 5975-01-317-3759
NSN 5996-00-185-1372
NSN 6135-01-539-3682
NSN 5950-01-107-8507
NSN 6220-01-596-3176
NSN 5835-01-454-5267
NSN 5945-01-361-8845
NSN 2925-00-960-4737
NSN 4140-01-270-3765
NSN 6685-00-067-5263
NSN 5855-01-398-0090
NSN 6145-01-413-9674