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 5930-01-452-7945
NSN 6240-00-797-8700
NSN 5935-00-931-5039
NSN 6685-01-533-6362
NSN 6645-01-499-7385
NSN 2925-00-918-0859
NSN 6135-01-101-5039
NSN 5945-00-099-9857
NSN 5990-00-054-4785
NSN 5895-01-254-2749
NSN 5975-01-415-0918
NSN 6105-01-319-3984