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 5985-00-014-2398
NSN 6150-00-529-8419
NSN 5950-00-466-2248
NSN 5925-01-304-8961
NSN 5990-01-343-2187
NSN 5950-00-891-9554
NSN 6110-01-525-4270
NSN 5835-01-512-4834
NSN 6240-01-076-5074
NSN 5999-01-537-0533
NSN 6620-01-251-6844
NSN 6150-00-948-7170