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 6110-01-433-3479
NSN 5945-01-129-4492
NSN 5965-00-858-5398
NSN 5895-00-398-0029
NSN 5999-01-076-4206
NSN 6130-00-032-0378
NSN 6150-01-135-7571
NSN 4140-00-790-4691
NSN 6610-01-472-2757
NSN 6130-01-122-8908
NSN 6685-01-640-7123
NSN 6135-01-482-1290