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 6220-01-511-8878
NSN 5905-01-072-1396
NSN 5910-01-522-2371
NSN 6220-01-186-0770
NSN 5990-00-239-3432
NSN 6240-00-316-3167
NSN 5930-00-996-7650
NSN 5985-00-661-2263
NSN 5996-00-382-3597
NSN 5905-00-059-0574
NSN 6135-01-511-1975
NSN 5950-01-151-2817