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 5965-00-246-5612
NSN 6135-00-862-5736
NSN 4140-01-251-4367
NSN 5985-01-236-8293
NSN 5915-01-621-4002
NSN 2925-00-497-7808
NSN 5950-00-246-9755
NSN 6620-01-633-8443
NSN 6685-01-135-4357
NSN 5835-00-617-3578
NSN 5965-00-246-5612
NSN 6110-01-214-8201