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 5895-01-240-7332
NSN 5950-01-586-8101
NSN 5910-01-014-6639
NSN 6110-01-046-6637
NSN 5985-01-572-3288
NSN 5835-01-500-9150
NSN 5910-00-615-9975
NSN 6610-01-278-9387
NSN 5910-00-485-1042
NSN 5935-01-090-0496
NSN 5975-01-011-1313
NSN 7035-01-513-9502