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 5855-00-757-5149
NSN 6135-01-633-8502
NSN 5895-00-081-2219
NSN 7035-01-485-0269
NSN 5855-01-640-9314
NSN 5960-00-104-5955
NSN 5935-00-800-9210
NSN 5910-00-673-3283
NSN 5835-00-778-5761
NSN 6320-01-176-8367
NSN 5996-01-068-0329
NSN 7035-01-019-5729