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 7035-01-145-5059
NSN 6685-01-056-1260
NSN 5930-01-603-7536
NSN 7035-01-449-1846
NSN 5895-01-397-6699
NSN 6130-01-476-1183
NSN 6645-01-301-9462
NSN 5935-01-433-4676
NSN 5975-01-360-8716
NSN 6150-01-415-3131
NSN 6645-00-321-6071
NSN 6610-01-495-5430