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 6645-01-187-6997
NSN 6650-00-610-3956
NSN 5965-01-499-5482
NSN 6650-00-269-5000
NSN 6645-00-073-9949
NSN 6220-01-482-6113
NSN 5965-00-912-9318
NSN 5996-01-133-6058
NSN 5925-00-442-1943
NSN 6130-01-339-2930
NSN 6610-01-009-6354
NSN 5975-01-604-8564