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 6110-01-435-4400
NSN 5996-01-503-0742
NSN 6110-01-481-9235
NSN 6130-01-412-6478
NSN 5905-00-132-0170
NSN 6145-01-106-9646
NSN 5965-01-618-4939
NSN 4140-01-552-1885
NSN 6620-00-986-0747
NSN 5975-01-078-7597
NSN 7035-01-013-9889
NSN 5960-01-014-8073