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 5935-01-575-4436
NSN 5915-01-441-2238
NSN 5915-00-962-0358
NSN 6150-01-425-8351
NSN 5925-00-056-7763
NSN 7035-01-560-5652
NSN 6220-01-410-7555
NSN 5915-01-423-7894
NSN 5905-01-152-1367
NSN 5985-01-297-2724
NSN 6105-01-087-0454
NSN 5960-00-868-0250