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 5950-00-310-1480
NSN 5905-01-179-7152
NSN 5895-01-200-7150
NSN 5998-01-423-8434
NSN 5930-01-585-6530
NSN 6650-00-629-8027
NSN 6145-00-076-9324
NSN 5960-00-997-7386
NSN 6685-00-589-5445
NSN 6650-00-134-0543
NSN 5960-01-432-6038
NSN 5905-00-053-9537