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 6145-00-185-4515
NSN 5945-00-489-7796
NSN 5915-01-443-3881
NSN 5985-01-506-2854
NSN 5915-01-311-5416
NSN 6130-01-386-8082
NSN 6610-01-076-4800
NSN 6650-00-073-2709
NSN 6130-00-110-5194
NSN 6320-00-284-1524
NSN 5999-01-171-4163
NSN 5999-00-466-3226