Polytetrafluoroethylene coated
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 5915-00-121-5544
NSN 5998-01-501-5114
NSN 5915-00-983-2742
NSN 6130-01-235-9103
NSN 6650-01-214-1710
NSN 6135-00-078-9931
NSN 5835-01-116-2369
NSN 6240-00-863-6105
NSN 6135-01-138-8157
NSN 6105-00-679-7580
NSN 6150-00-186-7809
NSN 6110-01-531-6861