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 5975-01-115-7087
NSN 7035-01-435-7962
NSN 6105-00-003-6141
NSN 5905-00-300-5112
NSN 6685-01-330-4910
NSN 5950-01-133-5939
NSN 6610-01-075-8755
NSN 4140-01-391-8899
NSN 6145-01-386-4299
NSN 6320-01-531-4997
NSN 5960-01-424-1781
NSN 6150-00-326-6803