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 2925-00-902-3881
NSN 5990-01-084-0807
NSN 7035-00-104-7613
NSN 6620-01-254-3609
NSN 2925-00-660-8131
NSN 4140-01-351-3892
NSN 6220-00-517-9300
NSN 6105-00-556-2123
NSN 6610-01-145-2569
NSN 5999-01-243-7671
NSN 5910-00-538-3371
NSN 5960-01-211-9902