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.
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Turkey Classification: Gaskets,washers & other seals
NSN 6110-01-584-0813
NSN 6135-00-100-0485
NSN 6130-01-435-5321
NSN 5915-01-179-5351
NSN 5855-01-199-2046
NSN 6145-01-655-8955
NSN 5996-01-130-2992
NSN 5975-00-396-2255
NSN 5835-01-249-7393
NSN 5920-00-076-9889
NSN 5855-01-469-8099
NSN 5915-00-733-3694