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 6685-01-354-4475
NSN 6650-01-167-5604
NSN 5920-01-166-5943
NSN 7035-01-391-7470
NSN 5996-01-654-7645
NSN 5960-00-652-3610
NSN 6620-00-643-1402
NSN 6130-01-147-5594
NSN 5935-01-166-5145
NSN 6320-01-113-7647
NSN 2925-00-468-5273
NSN 6645-00-402-5622