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 5999-01-212-9507
NSN 5905-01-219-0245
NSN 6150-01-116-4888
NSN 5915-01-326-8490
NSN 5999-01-342-6619
NSN 5950-00-444-4852
NSN 6150-00-239-2360
NSN 6145-00-805-3354
NSN 5855-01-411-3360
NSN 5910-00-368-4108
NSN 6220-01-190-6906
NSN 5835-01-478-0157