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 6150-01-164-9326
NSN 5855-01-452-8512
NSN 6320-01-029-4220
NSN 6130-00-596-9565
NSN 6610-01-256-7938
NSN 6110-01-152-2547
NSN 7035-01-474-6127
NSN 6130-01-289-8051
NSN 5915-00-553-8755
NSN 5925-01-168-6090
NSN 6620-01-352-5640
NSN 5935-01-332-8023