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 6620-01-506-8988
NSN 6650-00-792-8577
NSN 7035-01-453-9175
NSN 6220-01-267-9843
NSN 6145-01-343-9854
NSN 5915-00-927-2358
NSN 6150-01-606-1477
NSN 5935-00-905-6492
NSN 5975-01-284-3422
NSN 6135-01-487-5336
NSN 5935-01-317-4559
NSN 5915-00-469-3492