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 5930-01-399-6697
NSN 5960-01-641-5493
NSN 5895-01-237-1619
NSN 5998-01-442-8784
NSN 6240-01-285-0927
NSN 6145-01-459-4472
NSN 5905-01-543-5676
NSN 5996-01-442-8296
NSN 5925-00-100-0102
NSN 5960-00-780-8081
NSN 5999-00-317-1623
NSN 6685-01-406-4482