Certified free from mercury contamination
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 5930-01-367-6355
NSN 6105-01-185-5530
NSN 5910-00-669-3518
NSN 5975-01-593-2272
NSN 6220-00-401-4648
NSN 5950-01-159-4148
NSN 5935-01-493-6050
NSN 5985-00-400-3689
NSN 5999-01-455-6839
NSN 5905-01-211-7942
NSN 5930-00-642-9974
NSN 6610-01-334-8883